chore: save hacker rank

add ranger
chore: fixes
2024-06-10 21:26:09 -06:00 · 2024-04-05 16:27:02 -06:00 · 2024-01-22 16:07:16 -07:00 · 2024-01-12 12:09:44 -07:00 · 2024-01-09 20:41:23 -07:00 · 2024-01-09 13:53:30 -07:00
108 changed files with 13508 additions and 219 deletions
@@ -0,0 +1,30 @@
 name: Go Bump
 on: 
  push:
    branches: [ "main" ]
 jobs:
  bump:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v3
      with:
        fetch-depth: 0
        fetch-tags: true
    - name: Deploy to external repository
      uses: https://git.sour.is/actions/github-action-push-to-another-repository@main
      env:
        API_TOKEN_GITHUB: ${{ secrets.API_TOKEN_GITHUB }}
      with:
        # GitHub Action output files
        source-directory: .
        destination-github-username: jonlundy
        destination-repository-name: advent-of-code
        user-email: jon@xuu.cc
        # It defaults to `main`
        target-branch: "main"
    - run: echo "🍏 This job's status is ${{ job.status }}."
@@ -0,0 +1,33 @@
 name: Go Test
 on:
  push:
    branches: [ "main" ]
  pull_request:
    branches: [ "main" ]
 jobs:
  build:
    runs-on: ubuntu-latest
    steps:
    - run: echo "🎉 The job was automatically triggered by a ${{ gitea.event_name }} event."
    - run: echo "🐧 This job is now running on a ${{ runner.os }} server hosted by Gitea!"
    - run: echo "🔎 The name of your branch is ${{ gitea.ref }} and your repository is ${{ gitea.repository }}."
    - uses: actions/checkout@v3
    - run: echo "💡 The ${{ gitea.repository }} repository has been cloned to the runner."
    - run: echo "🖥️ The workflow is now ready to test your code on the runner."
    - name: List files in the repository
      run: |
        ls ${{ gitea.workspace }}
    - name: Set up Go
      uses: actions/setup-go@v3
      with:
        go-version: 1.21.3
    - name: Test
      run: go test -timeout 240s -race -cover ./...
    - run: echo "🍏 This job's status is ${{ job.status }}."
@@ -0,0 +1,2 @@
 Advent of Code 2023
 ----
@@ -0,0 +1,6 @@
 -----BEGIN SSH SIGNATURE-----
 U1NIU0lHAAAAAQAAADMAAAALc3NoLWVkMjU1MTkAAAAgZ+OuJYdd3UiUbyBuO1RlsQR20a
 Qm5mKneuMxRjGo3zkAAAAEZmlsZQAAAAAAAAAGc2hhNTEyAAAAUwAAAAtzc2gtZWQyNTUx
 OQAAAED8T4C6WILXYZ1KxqDIlVhlrAEjr1Vc+tn8ypcVM3bN7iOexVvuUuvm90nr8eEwKU
 acrdDxmq2S+oysQbK+pMUE
 -----END SSH SIGNATURE-----
@@ -0,0 +1,280 @@
 package aoc_test
 import (
 	"fmt"
 	"sort"
 	"testing"
 	"github.com/matryer/is"
 	aoc "go.sour.is/advent-of-code"
 )
 func TestList(t *testing.T) {
 	is := is.New(t)
 	lis := aoc.NewList[int](nil)
 	lis.Add(5, 0)
 	a, _ := lis.Head().Value()
 	is.Equal(a, 5)
 }
 func TestPriorityQueue(t *testing.T) {
 	is := is.New(t)
 	type elem [2]int
 	less := func(b, a *elem) bool {
 		return (*a)[0] < (*b)[0]
 	}
 	pq := aoc.PriorityQueue(less)
 	pq.Insert(&elem{1, 4})
 	pq.Insert(&elem{3, 2})
 	pq.Insert(&elem{2, 3})
 	pq.Insert(&elem{4, 1})
 	v := pq.ExtractMin()
 	is.True(v != nil)
 	is.Equal(v, &elem{4, 1})
 	v = pq.ExtractMin()
 	is.True(v != nil)
 	is.Equal(v, &elem{3, 2})
 	v = pq.ExtractMin()
 	is.True(v != nil)
 	is.Equal(v, &elem{2, 3})
 	v = pq.ExtractMin()
 	is.True(v != nil)
 	is.Equal(v, &elem{1, 4})
 	v = pq.ExtractMin()
 	is.True(v == nil)
 }
 func ExamplePriorityQueue() {
 	type memo struct {
 		pt    int
 		score int
 	}
 	less := func(a, b *memo) bool { return a.score < b.score }
 	adj := map[int][][2]int{
 		0: {{1, 2}, {2, 6}},
 		1: {{3, 5}},
 		2: {{3, 8}},
 		3: {{4, 10}, {5, 15}},
 		4: {{6, 2}},
 		5: {{6, 6}},
 	}
 	pq := aoc.PriorityQueue(less)
 	visited := aoc.Set([]int{}...)
 	dist := aoc.DefaultMap[int](int(^uint(0) >> 1))
 	dist.Set(0, 0)
 	pq.Insert(&memo{0, 0})
 	for !pq.IsEmpty() {
 		m := pq.ExtractMin()
 		u := m.pt
 		if visited.Has(u) {
 			continue
 		}
 		visited.Add(u)
 		du, _ := dist.Get(u)
 		for _, edge := range adj[u] {
 			v, w := edge[0], edge[1]
 			dv, _ := dist.Get(v)
 			if !visited.Has(v) && du+w < dv {
 				dist.Set(v, du+w)
 				pq.Insert(&memo{v, du + w})
 			}
 		}
 	}
 	items := dist.Items()
 	sort.Slice(items, func(i, j int) bool { return items[i].K < items[j].K })
 	for _, v := range items {
 		fmt.Printf("point %d is %d steps away.\n", v.K, v.V)
 	}
 	// Output:
 	// point 0 is 0 steps away.
 	// point 1 is 2 steps away.
 	// point 2 is 6 steps away.
 	// point 3 is 7 steps away.
 	// point 4 is 17 steps away.
 	// point 5 is 22 steps away.
 	// point 6 is 19 steps away.
 }
 func TestGraph(t *testing.T) {
 	is := is.New(t)
 	var adjacencyList = map[int][]int{
 		2: {3, 5, 1},
 		1: {2, 4},
 		3: {6, 2},
 		4: {1, 5, 7},
 		5: {2, 6, 8, 4},
 		6: {3, 0, 9, 5},
 		7: {4, 8},
 		8: {5, 9, 7},
 		9: {6, 0, 8},
 	}
 	g := aoc.Graph(aoc.WithAdjacencyList[int, int](adjacencyList))
 	is.Equal(g.Neighbors(1), []int{2, 4})
 	is.Equal(map[int][]int(g.AdjacencyList()), adjacencyList)
 }
 func ExampleFibHeap() {
 	type memo struct {
 		pt    int
 		score int
 	}
 	less := func(a, b *memo) bool { return (*a).score < (*b).score }
 	adj := map[int][][2]int{
 		0: {{1, 2}, {2, 6}},
 		1: {{3, 5}},
 		2: {{3, 8}},
 		3: {{4, 10}, {5, 15}},
 		4: {{6, 2}},
 		5: {{6, 6}},
 	}
 	pq := aoc.FibHeap(less)
 	visited := aoc.Set([]int{}...)
 	dist := aoc.DefaultMap[int](int(^uint(0) >> 1))
 	dist.Set(0, 0)
 	pq.Insert(&memo{0, 0})
 	for !pq.IsEmpty() {
 		m := pq.ExtractMin()
 		u := m.pt
 		if visited.Has(u) {
 			continue
 		}
 		visited.Add(u)
 		du, _ := dist.Get(u)
 		for _, edge := range adj[u] {
 			v, w := edge[0], edge[1]
 			dv, _ := dist.Get(v)
 			if !visited.Has(v) && du+w < dv {
 				dist.Set(v, du+w)
 				pq.Insert(&memo{v, du + w})
 			}
 		}
 	}
 	items := dist.Items()
 	sort.Slice(items, func(i, j int) bool { return items[i].K < items[j].K })
 	for _, v := range items {
 		fmt.Printf("point %d is %d steps away.\n", v.K, v.V)
 	}
 	// Output:
 	// point 0 is 0 steps away.
 	// point 1 is 2 steps away.
 	// point 2 is 6 steps away.
 	// point 3 is 7 steps away.
 	// point 4 is 17 steps away.
 	// point 5 is 22 steps away.
 	// point 6 is 19 steps away.
 }
 func TestFibHeap(t *testing.T) {
 	is := is.New(t)
 	type elem [2]int
 	less := func(a, b *elem) bool {
 		return (*a)[0] < (*b)[0]
 	}
 	pq := aoc.FibHeap(less)
 	pq.Insert(&elem{1, 4})
 	pq.Insert(&elem{3, 2})
 	pq.Insert(&elem{2, 3})
 	pq.Insert(&elem{4, 1})
 	v := pq.ExtractMin()
 	is.True(v != nil)
 	is.Equal(v, &elem{1, 4})
 	pq.Insert(&elem{5, 8})
 	pq.Insert(&elem{6, 7})
 	pq.Insert(&elem{7, 6})
 	pq.Insert(&elem{8, 5})
 	v = pq.ExtractMin()
 	is.True(v != nil)
 	is.Equal(v, &elem{2, 3})
 	v = pq.ExtractMin()
 	is.True(v != nil)
 	is.Equal(v, &elem{3, 2})
 	v = pq.ExtractMin()
 	is.True(v != nil)
 	is.Equal(v, &elem{4, 1})
 	v = pq.ExtractMin()
 	is.True(v != nil)
 	is.Equal(v, &elem{5, 8})
 	m := aoc.FibHeap(less)
 	m.Insert(&elem{1, 99})
 	m.Insert(&elem{12, 9})
 	m.Insert(&elem{11, 10})
 	m.Insert(&elem{10, 11})
 	m.Insert(&elem{9, 12})
 	pq.Merge(m)
 	v = pq.Find(func(t *elem) bool {
 		return (*t)[0] == 6
 	})
 	is.Equal(v, &elem{6, 7})
 	v = pq.Find(func(t *elem) bool {
 		return (*t)[0] == 12
 	})
 	is.Equal(v, &elem{12, 9})
 	v = pq.ExtractMin()
 	is.True(v != nil)
 	is.Equal(v, &elem{1, 99})
 	pq.DecreaseKey(
 		func(t *elem) bool { return t[0] == 12 },
 		func(t *elem) { t[0] = 3 },
 	)
 	v = pq.ExtractMin()
 	is.True(v != nil)
 	is.Equal(v, &elem{3, 9})
 	var keys []int
 	for !pq.IsEmpty() {
 		v := pq.ExtractMin()
 		fmt.Println(v)
 		keys = append(keys, v[0])
 	}
 	is.Equal(keys, []int{6, 7, 8, 9, 10, 11})
 }
@@ -0,0 +1,4 @@
 1abc2
 pqr3stu8vwx
 a1b2c3d4e5f
 treb7uchet
@@ -0,0 +1,7 @@
 two1nine
 eightwothree
 abcone2threexyz
 xtwone3four
 4nineeightseven2
 zoneight234
 7pqrstsixteen
@@ -2,25 +2,32 @@ package main
 import (
 	"bufio"
 	"bytes"
 	_ "embed"
 	"fmt"
 	"strings"
 	aoc "go.sour.is/advent-of-code"
 )
-//go:embed input.txt
+func main() { aoc.MustResult(aoc.Runner(run)) }
 var input []byte
-func main() {
+type result struct {
-	buf := bytes.NewReader(input)
+	sum  int
-	scan := bufio.NewScanner(buf)
+	sum2 int
 }
 func (r result) String() string {
 	return fmt.Sprintln("result pt1:", r.sum, "\nresult pt2:", r.sum2)
 }
 var numbers = []string{"zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine"}
 func run(scan *bufio.Scanner) (*result, error) {
 	result := &result{}
 	sum := 0
 	for scan.Scan() {
 		var first, last int
-
+		var first2, last2 int
 		orig := scan.Text()
 		_ = orig
 		text := scan.Text()
@@ -30,110 +37,66 @@ func main() {
 			switch {
 			case slice[0] >= '0' && slice[0] <= '9':
-				first = int(slice[0] - '0')
+				if first == 0 {
-			case strings.HasPrefix(string(slice), "one"):
+					first = int(slice[0] - '0')
-				first = 1
+				}
-			case strings.HasPrefix(string(slice), "two"):
+				if first2 == 0 {
-				first = 2
+					first2 = int(slice[0] - '0')
-			case strings.HasPrefix(string(slice), "three"):
+				}
-				first = 3
+			default:
-			case strings.HasPrefix(string(slice), "four"):
+				if first2 != 0 {
-				first = 4
+					continue
-			case strings.HasPrefix(string(slice), "five"):
+				}
 				first = 5
 			case strings.HasPrefix(string(slice), "six"):
 				first = 6
 			case strings.HasPrefix(string(slice), "seven"):
 				first = 7
 			case strings.HasPrefix(string(slice), "eight"):
 				first = 8
 			case strings.HasPrefix(string(slice), "nine"):
 				first = 9
 				for i, s := range numbers {
 					if strings.HasPrefix(string(slice), s) {
 						first2 = i
 						break
 					}
 				}
 			}
-			if first != 0 {
+			if first != 0 && first2 != 0 {
 				break
 			}
 		}
-		text = string(reverse([]rune(text)))
+		text = string(aoc.Reverse([]rune(text)))
 		for i := range text {
 			copy(slice, []rune(text[i:]))
-			slice = reverse(slice)
+			slice = aoc.Reverse(slice)
 			switch {
 			case slice[4] >= '0' && slice[4] <= '9':
-				last = int(slice[4] - '0')
+				if last == 0 {
-			case strings.HasSuffix(string(slice), "one"):
+					last = int(slice[4] - '0')
-				last = 1
+				}
-			case strings.HasSuffix(string(slice), "two"):
+				if last2 == 0 {
-				last = 2
+					last2 = int(slice[4] - '0')
-			case strings.HasSuffix(string(slice), "three"):
+				}
-				last = 3
+			default:
-			case strings.HasSuffix(string(slice), "four"):
+				if last2 != 0 {
-				last = 4
+					continue
-			case strings.HasSuffix(string(slice), "five"):
+				}
-				last = 5
+				for i, s := range numbers {
-			case strings.HasSuffix(string(slice), "six"):
+					if strings.HasSuffix(string(slice), s) {
-				last = 6
+						last2 = i
-			case strings.HasSuffix(string(slice), "seven"):
+						break
-				last = 7
+					}
-			case strings.HasSuffix(string(slice), "eight"):
+				}
 				last = 8
 			case strings.HasSuffix(string(slice), "nine"):
 				last = 9
 			}
-			if last != 0 {
+			if last != 0 && last2 != 0 {
 				break
 			}
 		}
-		sum += first*10 + last
+		result.sum += first*10 + last
 		result.sum2 += first2*10 + last2
 	}
 	if err := scan.Err(); err != nil {
-		panic(err)
+		return nil, err
 	}
-	fmt.Println(sum)
+	return result, nil
 }
 func reverse[T any](arr []T) []T{
 	for i := 0; i < len(arr)/2; i++ {
 		arr[i], arr[len(arr)-i-1] = arr[len(arr)-i-1], arr[i]
 	}
 	return arr
 }
 // type sorter[T rune | int] []T
 // func (s sorter[T]) Less(i, j int) bool { return s[i] < s[j] }
 // func (s sorter[T]) Len() int      { return len(s) }
 // func (s sorter[T]) Swap(i, j int) { s[i], s[j] = s[j], s[i] }
 /*
 0
 1
 2
 3
 4
 5
 6
 7
 8
 9
 one
 two
 three
 four
 five
 six
 seven
 eight
 nine
 ten
 */
@@ -0,0 +1,53 @@
 package main
 import (
 	"bufio"
 	"bytes"
 	"testing"
 	_ "embed"
 	"github.com/matryer/is"
 )
 //go:embed example1.txt
 var example1 []byte
 //go:embed example2.txt
 var example2 []byte
 //go:embed input.txt
 var input []byte
 func TestExample1(t *testing.T) {
 	is := is.New(t)
 	scan := bufio.NewScanner(bytes.NewReader(example1))
 	result, err := run(scan)
 	is.NoErr(err)
 	t.Log(result)
 	is.Equal(result.sum, 142)
 }
 func TestExample2(t *testing.T) {
 	is := is.New(t)
 	scan := bufio.NewScanner(bytes.NewReader(example2))
 	result, err := run(scan)
 	is.NoErr(err)
 	t.Log(result)
 	is.Equal(result.sum2, 281)
 }
 func TestInput(t *testing.T) {
 	is := is.New(t)
 	scan := bufio.NewScanner(bytes.NewReader(input))
 	result, err := run(scan)
 	is.NoErr(err)
 	t.Log(result)
 	is.Equal(result.sum, 54573)
 	is.Equal(result.sum2, 54591)
 }
@@ -2,24 +2,39 @@ package main
 import (
 	"bufio"
 	"bytes"
 	_ "embed"
 	"fmt"
 	"os"
 	"strconv"
 	"strings"
 	aoc "go.sour.is/advent-of-code"
 )
-//go:embed input.txt
+func main() {
-var input []byte
+	result, err := aoc.Runner(run)
 	if err != nil {
 		aoc.Log("ERR", err)
 		os.Exit(1)
 	}
 	aoc.Log(result)
 }
 type result struct {
 	sum      int
 	powerSum int
 }
 func (r result) String() string {
 	return fmt.Sprintln("result pt1:", r.sum, "\nresult pt2:", r.powerSum)
 }
 type gameResult struct {
 	red, green, blue int
 }
-func main() {
+func run(scan *bufio.Scanner) (*result, error) {
 	buf := bytes.NewReader(input)
 	scan := bufio.NewScanner(buf)
 	// only 12 red cubes, 13 green cubes, and 14 blue cubes
 	maxCounts := gameResult{
 		red:   12,
@@ -36,12 +51,10 @@ func main() {
 			continue
 		}
-		games = append(games, []gameResult{})
+		rounds := aoc.SliceMap(func(text string) gameResult {
 			round := gameResult{}
-		for _, round := range strings.Split(text, ";") {
+			for _, result := range strings.Split(text, ",") {
 			game := gameResult{}
 			for _, result := range strings.Split(round, ",") {
 				ns, color, _ := strings.Cut(strings.TrimSpace(result), " ")
 				n, err := strconv.Atoi(ns)
 				if err != nil {
@@ -50,20 +63,21 @@ func main() {
 				switch color {
 				case "red":
-					game.red = n
+					round.red = n
 				case "green":
-					game.green = n
+					round.green = n
 				case "blue":
-					game.blue = n
+					round.blue = n
 				}
 			}
-			games[len(games)-1] = append(games[len(games)-1], game)
+			return round
-		}
+		}, strings.Split(text, ";")...)
 		games = append(games, rounds)
 	}
-	fmt.Println(games)
+	aoc.Log(games)
-	fmt.Println(len(games))
+	aoc.Log(len(games))
 	sum := 0
 	powerSum := 0
@@ -81,24 +95,24 @@ func main() {
 			mins.blue = max(mins.blue, round.blue)
 			if maxCounts.red < round.red {
-				fmt.Println("game", i, round, "too many red", round.red)
+				aoc.Log("game", i, round, "too many red", round.red)
 				ok = false
 			} else if maxCounts.blue < round.blue {
-				fmt.Println("game", i, round, "too many blue", round.blue)
+				aoc.Log("game", i, round, "too many blue", round.blue)
 				ok = false
 			} else if maxCounts.green < round.green {
-				fmt.Println("game", i, round, "too many green", round.green)
+				aoc.Log("game", i, round, "too many green", round.green)
 				ok = false
 			}
-			fmt.Println("game", i, round, ok)
+			aoc.Log("game", i, round, ok)
 		}
 		if ok {
 			sum += i
-			fmt.Println("game", i, "passes", sum)
+			aoc.Log("game", i, "passes", sum)
 		}
-		power := mins.red*mins.blue*mins.green
+		power := mins.red * mins.blue * mins.green
-		fmt.Println("game", i, "mins", mins, power)
+		aoc.Log("game", i, "mins", mins, power)
 		powerSum += power
 	}
-	fmt.Println("sum", sum, "power", powerSum)
+	return &result{sum, powerSum}, nil
 }
@@ -0,0 +1,41 @@
 package main
 import (
 	"bufio"
 	"bytes"
 	"testing"
 	_ "embed"
 	"github.com/matryer/is"
 )
 //go:embed example.txt
 var example []byte
 //go:embed input.txt
 var input []byte
 func TestExample(t *testing.T) {
 	is := is.New(t)
 	scan := bufio.NewScanner(bytes.NewReader(example))
 	result, err := run(scan)
 	is.NoErr(err)
 	t.Log(result)
 	is.Equal(result.sum, 8)
 	is.Equal(result.powerSum, 2286)
 }
 func TestSolution(t *testing.T) {
 	is := is.New(t)
 	scan := bufio.NewScanner(bytes.NewReader(input))
 	result, err := run(scan)
 	is.NoErr(err)
 	t.Log(result)
 	is.Equal(result.sum, 2317)
 	is.Equal(result.powerSum, 74804)
 }
@@ -2,14 +2,14 @@ package main
 import (
 	"bufio"
 	"bytes"
 	_ "embed"
 	"fmt"
 	"strconv"
 	aoc "go.sour.is/advent-of-code"
 )
-//go:embed input.txt
+func main() { aoc.MustResult(aoc.Runner(run)) }
 var input []byte
 type partNumber struct {
 	number    int
@@ -56,10 +56,12 @@ func (tab symbolTab) scanSymbol(p partNumber) bool {
 // 553079
 // 84363105
-func main() {
+type result struct {
-	buf := bytes.NewReader(input)
+	valuePT1 int
-	scan := bufio.NewScanner(buf)
+	valuePT2 int
 }
 func run(scan *bufio.Scanner) (*result, error) {
 	parts := []partNumber{}
 	symbols := make(symbolTab)
 	symbolList := []*symbol{}
@@ -95,28 +97,32 @@ func main() {
 		if v, err := strconv.Atoi(string(slice)); err == nil {
 			parts = append(parts, partNumber{number: v, row: row, col: col - len(slice), end: col - 1})
 			slice = slice[:0]
 			_ = slice
 		}
 	}
-	sum := 0
+	sum := aoc.SumIFunc(
-	for i, p := range parts {
+		func(i int, p partNumber) int {
-		ok := symbols.scanSymbol(p)
+			ok := symbols.scanSymbol(p)
-		parts[i].hasSymbol = ok
+			parts[i].hasSymbol = ok
-		if ok {
+			if ok {
-			sum += p.number
+				return p.number
-		}
+			}
-	}
+			return 0
 		}, parts...)
-	sumGears := 0
+	sumGears := aoc.SumFunc(
-	for _, s := range symbolList {
+		func(s *symbol) int {
-		if s.symbol == '*' && len(s.adjacentParts) == 2 {
+			if s.symbol == '*' && len(s.adjacentParts) == 2 {
-			sumGears += s.adjacentParts[0].number * s.adjacentParts[1].number
+				return s.adjacentParts[0].number * s.adjacentParts[1].number
-		}
+			}
-	}
+			return 0
 		}, symbolList...)
 	// fmt.Println(parts)
 	// fmt.Println(symbols)
 	// fmt.Println(symbolList)
 	fmt.Println("part1:", sum)
 	fmt.Println("part2:", sumGears)
 	return &result{sum, sumGears}, nil
 }
@@ -0,0 +1,43 @@
 package main
 import (
 	"bufio"
 	"bytes"
 	_ "embed"
 	"testing"
 	"github.com/matryer/is"
 )
 //go:embed example.txt
 var example []byte
 //go:embed input.txt
 var input []byte
 func TestExample(t *testing.T) {
 	is := is.New(t)
 	scan := bufio.NewScanner(bytes.NewReader(example))
 	result, err := run(scan)
 	is.NoErr(err)
 	t.Log(result)
 	is.Equal(result.valuePT1, int(4361))
 	is.Equal(result.valuePT2, 467835)
 }
 func TestInput(t *testing.T) {
 	is := is.New(t)
 	scan := bufio.NewScanner(bytes.NewReader(input))
 	result, err := run(scan)
 	is.NoErr(err)
 	t.Log(result.valuePT1)
 	is.Equal(result.valuePT1, int(553079))
 	t.Log(result.valuePT2)
 	is.Equal(result.valuePT2, 84363105)
 }
@@ -2,13 +2,12 @@ package main
 import (
 	"bufio"
 	"bytes"
 	_ "embed"
 	"fmt"
 	"log/slog"
 	"os"
 	"strconv"
 	"strings"
 	aoc "go.sour.is/advent-of-code"
 )
 //go:embed input.txt
@@ -21,22 +20,14 @@ type card struct {
 	copies  int
 }
-func main() {
+func main() { aoc.MustResult(aoc.Runner(run)) }
 	var level slog.Level
 	if err := level.UnmarshalText([]byte(os.Getenv("DEBUG_LEVEL"))); err == nil && level != 0 {
 		slog.SetDefault(slog.New(slog.NewTextHandler(os.Stderr, &slog.HandlerOptions{Level: level})))
 	}
-	buf := bytes.NewReader(input)
+type result struct {
-	scan := bufio.NewScanner(buf)
+	points int
-
+	cards  int
 	points, cards := run(scan)
 	fmt.Println("points:", points)
 	fmt.Println("cards:", cards)
 }
-func run(scan *bufio.Scanner) (int, int) {
+func run(scan *bufio.Scanner) (result, error) {
 	cards := []*card{}
 	for scan.Scan() {
@@ -46,7 +37,7 @@ func run(scan *bufio.Scanner) (int, int) {
 			continue
 		}
-		num, _ := strconv.Atoi(strings.TrimSpace(strings.SplitN(pfx, " ", 2)[1]))
+		num := aoc.Atoi(strings.TrimSpace(strings.SplitN(pfx, " ", 2)[1]))
 		cards = append(cards, &card{card: num})
 		buf := make([]rune, 0, 4)
 		winner := true
@@ -71,7 +62,7 @@ func run(scan *bufio.Scanner) (int, int) {
 		}
 		if len(buf) > 0 {
-			num, _ = strconv.Atoi(string(buf))
+			num = aoc.Atoi(string(buf))
 			buf = buf[:0]
 			_ = buf // ignore
 			cards[len(cards)-1].scratch = append(cards[len(cards)-1].scratch, num)
@@ -105,5 +96,5 @@ func run(scan *bufio.Scanner) (int, int) {
 		slog.Debug("points", "card", card.card, "match", m, "score", sumPoints)
 	}
-	return sumPoints, sumCards
+	return result{sumPoints, sumCards}, nil
 }
@@ -17,16 +17,18 @@ func TestExample(t *testing.T) {
 	is := is.New(t)
 	scan := bufio.NewScanner(bytes.NewReader(example))
-	points, cards := run(scan)
+	r, err := run(scan)
-	is.Equal(points, 13)
+	is.NoErr(err)
-	is.Equal(cards, 30)
+	is.Equal(r.points, 13)
 	is.Equal(r.cards, 30)
 }
 func TestSolution(t *testing.T) {
 	is := is.New(t)
 	scan := bufio.NewScanner(bytes.NewReader(input))
-	points, cards := run(scan)
+	r, err := run(scan)
-	is.Equal(points, 23235)
+	is.NoErr(err)
-	is.Equal(cards, 5920640)
+	is.Equal(r.points, 23235)
 	is.Equal(r.cards, 5920640)
 }
@@ -7,27 +7,18 @@ import (
 	"sort"
 	"strconv"
 	"strings"
 	aoc "go.sour.is/advent-of-code"
 )
-func main() {
+func main() { aoc.MustResult(aoc.Runner(run)) }
 	if len(os.Args) != 2 {
 		fmt.Fprintln(os.Stderr, "Usage: day05 FILE")
 	}
-	input, err := os.Open(os.Args[1])
+type result struct {
-	if err != nil {
+	minLocation int
-		fmt.Fprintln(os.Stderr, err)
+	minRange    int
 	}
 	scan := bufio.NewScanner(input)
 	minLocation, minRangeLocation := run(scan)
 	fmt.Println("min location:", minLocation)
 	fmt.Println("min range location:", minRangeLocation)
 }
-func run(scan *bufio.Scanner) (int, int) {
+func run(scan *bufio.Scanner) (result, error) {
 	log("begin...")
 	var seeds []int
@@ -55,15 +46,14 @@ func run(scan *bufio.Scanner) (int, int) {
 		lookup["humidity-to-location"],
 	)
-	return findMinLocation(seeds, find), FindMinRangeLocationMulti(seedRanges, find)
+	return result{findMinLocation(seeds, find), FindMinRangeLocationMulti(seedRanges, find)}, nil
 }
 func readSeeds(text string) ([]int, [][2]int) {
-	var seeds [] int 
+	var seeds []int
 	var seedRanges [][2]int
-	sp := strings.Fields(strings.TrimPrefix(text, "seeds: "))
+
-	for i, s := range sp {
+	for i, n := range aoc.SliceMap(aoc.Atoi, strings.Fields(strings.TrimPrefix(text, "seeds: "))...) {
 		n, _ := strconv.Atoi(s)
 		seeds = append(seeds, n)
 		if i%2 == 0 {
@@ -121,7 +111,7 @@ func FindMinRangeLocation(ranges [][2]int, find *Finder) int {
 	for _, s := range ranges {
 		for i := 0; i < s[1]; i++ {
-			seedLocations = append(seedLocations, find.Find(s[0] + i))
+			seedLocations = append(seedLocations, find.Find(s[0]+i))
 		}
 	}
 	return min(seedLocations...)
@@ -164,7 +154,7 @@ func FindMinRangeLocationMulti(ranges [][2]int, find *Finder) int {
 	seedLocations := make([]int, 0, results)
 	expectResults := make([]struct{}, len(ranges))
 	for range expectResults {
-		r := <- resultsCh
+		r := <-resultsCh
 		seedLocations = append(seedLocations, r...)
 	}
@@ -20,19 +20,20 @@ func TestExample(t *testing.T) {
 	is := is.New(t)
 	scan := bufio.NewScanner(bytes.NewReader(example))
-	minLocation, minRangeLocation := run(scan)
+	r, err := run(scan)
-	is.Equal(minLocation, 35)
+	is.NoErr(err)
-	is.Equal(minRangeLocation, 46)
+	is.Equal(r.minLocation, 35)
 	is.Equal(r.minRange, 46)
 }
 func SkipTestSolution(t *testing.T) {
 	is := is.New(t)
 	scan := bufio.NewScanner(bytes.NewReader(input))
-	minLocation, minRangeLocation := run(scan)
+	r, err := run(scan)
-	is.Equal(minLocation, 199602917)
+	is.NoErr(err)
-	is.Equal(minRangeLocation, 0)
+	is.Equal(r.minLocation, 199602917)
-
+	is.Equal(r.minRange, 2254686)
 }
 func TestLookup(t *testing.T) {
@@ -44,9 +45,9 @@ func TestLookup(t *testing.T) {
 	is.Equal(find.Find(79), 81)
 	find = &Lookup{ranges: Ranges{
-		{77,45,23},
+		{77, 45, 23},
-		{45,81,19},
+		{45, 81, 19},
-		{64,68,13},
+		{64, 68, 13},
 	}}
 	is.Equal(find.Find(77), 45)
@@ -62,37 +63,37 @@ func TestFinder(t *testing.T) {
 		}},
 		// soil-to-fertilizer
 		&Lookup{ranges: Ranges{
-			{15, 0,37},
+			{15, 0, 37},
-			{52,37,2},
+			{52, 37, 2},
-			{0,39,15},
+			{0, 39, 15},
 		}},
 		// fertilizer-to-water
 		&Lookup{ranges: Ranges{
-			{53,49,8},
+			{53, 49, 8},
-			{11,0,42},
+			{11, 0, 42},
-			{0,42,7},
+			{0, 42, 7},
-			{7,57,4},
+			{7, 57, 4},
 		}},
 		// water-to-light
 		&Lookup{ranges: Ranges{
-			{18,88,7},
+			{18, 88, 7},
-			{25,18,70},
+			{25, 18, 70},
 		}},
 		// light-to-temperature
 		&Lookup{ranges: Ranges{
-			{77,45,23},
+			{77, 45, 23},
-			{45,81,19},
+			{45, 81, 19},
-			{64,68,13},
+			{64, 68, 13},
 		}},
 		// temperature-to-humidity
 		&Lookup{ranges: Ranges{
-			{69,0,1},
+			{69, 0, 1},
-			{0,1,69},
+			{0, 1, 69},
 		}},
 		// humidity-to-location
 		&Lookup{ranges: Ranges{
-			{56,60,37},
+			{56, 60, 37},
-			{93,56,4},
+			{93, 56, 4},
 		}},
 	)
 	is.Equal(find.Find(82), 46)
@@ -0,0 +1,5 @@
 32T3K 765
 T55J5 684
 KK677 28
 KTJJT 220
 QQQJA 483
@@ -0,0 +1,1000 @@
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 4854J 948
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 69664 839
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 JQAQQ 100
 57T4A 970
 AJAA3 834
 9JTT7 291
 9AK6A 902
 96J94 181
 3J944 593
 94KQ4 375
 KKKK2 556
 88J99 567
 JAAAJ 840
 9J9Q9 128
 74447 81
 28288 719
 32K88 225
 53535 87
 74555 224
 6972Q 628
 7JQJ8 893
 2T25J 190
 92226 552
 Q3QTQ 591
 A666A 814
 26247 103
 4KTKK 981
 J22K2 133
 3KKKK 873
 KJK7K 689
 6A6K2 985
 3AAAT 425
 22J27 839
 8888T 677
 6A666 569
 8887Q 497
 696Q3 799
 99646 695
 KKK5K 69
 3A332 106
 Q7TTT 831
 96622 566
 4JAA6 564
 22572 600
 92AKJ 931
 TA8AA 848
 73373 112
 6666T 182
 AJKJ7 645
 7A7AA 496
 T5555 740
 J22JJ 967
 24AAA 146
 956AQ 412
 66A9J 329
 46644 477
 A9939 105
 Q5Q5Q 702
 588Q5 384
 63AAJ 466
 254KA 947
 8KK88 565
 KQ29T 541
 36K66 759
 7JAQQ 431
 8QTT4 992
 3333J 731
 44447 793
 T355T 489
 39723 862
 828QQ 270
 96999 15
 333Q2 733
 T774T 559
 55K55 1
 9J955 264
 K2KQK 682
 QKQKQ 801
 222J2 247
 97J79 3
 42TT3 499
 2KQ69 129
 4764T 450
 72K2K 83
 3Q334 644
 TTT88 348
 2Q223 310
 J43A3 880
 J4229 64
 4QJ8A 17
 43434 285
 92222 772
 T59K6 448
 66674 248
 34334 241
 JK529 547
 T7TT3 517
 22QJQ 117
 96J6J 861
 QTJT4 101
 Q444J 307
 T2Q8K 357
 93T24 789
 T7K57 398
 2K94A 111
 9J942 200
 T7J8K 646
 55665 980
 56555 169
 79777 149
 82A93 710
 Q989Q 226
 J2T55 542
 763K2 723
 QQQJQ 867
 QQQQA 506
 J7777 154
@@ -0,0 +1,247 @@
 package main
 import (
 	"bufio"
 	"fmt"
 	"sort"
 	aoc "go.sour.is/advent-of-code"
 )
 func main() { aoc.MustResult(aoc.Runner(run)) }
 type result struct {
 	valuePT1 uint64
 	valuePT2 uint64
 }
 func run(scan *bufio.Scanner) (result, error) {
 	var game Game
 	for scan.Scan() {
 		var cards string
 		var bid int
 		_, err := fmt.Sscanf(scan.Text(), "%s %d", &cards, &bid)
 		if err != nil {
 			panic(err)
 		}
 		fmt.Println("cards", cards, "bid", bid)
 		game.plays = append(game.plays, Play{bid, []rune(cards), &game})
 	}
 	game.cardOrder = getOrder(cardTypes1)
 	product1 := calcProduct(game)
 	game.cardOrder = getOrder(cardTypes2)
 	game.wildCard = 'J'
 	product2 := calcProduct(game)
 	return result{product1, product2}, nil
 }
 var cardTypes1 = []rune{'A', 'K', 'Q', 'J', 'T', '9', '8', '7', '6', '5', '4', '3', '2'}
 var cardTypes2 = []rune{'A', 'K', 'Q', 'T', '9', '8', '7', '6', '5', '4', '3', '2', 'J'}
 func calcProduct(game Game) uint64 {
 	sort.Sort(game.plays)
 	var product uint64
 	for i, play := range game.plays {
 		rank := i + 1
 		fmt.Printf("play %d %s %d %s %x\n", rank, string(play.hand), play.bid, play.HandType(), play.HandStrength())
 		product += uint64(play.bid * rank)
 	}
 	return product
 }
 func getOrder(cardTypes []rune) map[rune]int {
 	cardOrder := make(map[rune]int, len(cardTypes))
 	for i, r := range cardTypes {
 		cardOrder[r] = len(cardTypes) - i
 	}
 	return cardOrder
 }
 type Game struct {
 	plays     Plays
 	cardOrder map[rune]int
 	wildCard  rune
 }
 type Play struct {
 	bid  int
 	hand Hand
 	game *Game
 }
 type Hand []rune
 func (h Play) HandType() string {
 	hc, _ := h.HighCard()
 	switch {
 	case h.IsFiveOfKind():
 		return "5K-" + string(hc)
 	case h.IsFourOfKind():
 		return "4K-" + string(hc)
 	case h.IsFullHouse():
 		return "FH-" + string(hc)
 	case h.IsThreeOfKind():
 		return "3K-" + string(hc)
 	case h.IsTwoPair():
 		return "2P-" + string(hc)
 	case h.IsOnePair():
 		return "1P-" + string(hc)
 	case h.IsHighCard():
 		return "HC-" + string(hc)
 	}
 	return "Uno"
 }
 func (h Play) HandStrength() int {
 	_, v := h.HighCard()
 	switch {
 	case h.IsFiveOfKind():
 		return 0x700000 | v
 	case h.IsFourOfKind():
 		return 0x600000 | v
 	case h.IsFullHouse():
 		return 0x500000 | v
 	case h.IsThreeOfKind():
 		return 0x400000 | v
 	case h.IsTwoPair():
 		return 0x300000 | v
 	case h.IsOnePair():
 		return 0x200000 | v
 	case h.IsHighCard():
 		return 0x100000 | v
 	}
 	return 0
 }
 func (h Play) IsFiveOfKind() bool {
 	_, _, _, _, has5 := h.game.hasSame(h.hand)
 	return has5
 }
 func (h Play) IsFourOfKind() bool {
 	_, _, _, has4, _ := h.game.hasSame(h.hand)
 	return has4
 }
 func (h Play) IsFullHouse() bool {
 	_, has2, has3, _, _ := h.game.hasSame(h.hand)
 	return has3 && has2
 }
 func (h Play) IsThreeOfKind() bool {
 	has1, _, has3, _, _ := h.game.hasSame(h.hand)
 	return has3 && has1
 }
 func (h Play) IsTwoPair() bool {
 	_, has2, has3, _, _ := h.game.hasSame(h.hand)
 	return !has3 && has2 && h.game.pairs(h.hand) == 2
 }
 func (h Play) IsOnePair() bool {
 	_, has2, has3, _, _ := h.game.hasSame(h.hand)
 	return !has3 && has2 && h.game.pairs(h.hand) == 1
 }
 func (h Play) IsHighCard() bool {
 	has1, has2, has3, has4, _ := h.game.hasSame(h.hand)
 	return has1 && !has2 && !has3 && !has4
 }
 func (h Play) HighCard() (rune, int) {
 	var i int
 	pairs := make(Pairs, 5)
 	cnt := h.game.Counts(h.hand)
 	for r, c := range cnt {
 		pairs[i].c = c
 		pairs[i].r = r
 		pairs[i].o = h.game.cardOrder[r]
 		i++
 	}
 	sort.Sort(sort.Reverse(pairs))
 	value := 0
 	for i, r := range h.hand {
 		if r == 0 {
 			continue
 		}
 		value |= h.game.cardOrder[r] << (4 * (4 - i))
 	}
 	return pairs[0].r, value
 }
 type Pairs []struct {
 	r rune
 	c int
 	o int
 }
 func (p Pairs) Len() int { return len(p) }
 func (p Pairs) Less(i, j int) bool {
 	if p[i].c == p[j].c {
 		return p[i].o < p[j].o
 	}
 	return p[i].c < p[j].c
 }
 func (p Pairs) Swap(i, j int) { p[i], p[j] = p[j], p[i] }
 type Plays []Play
 func (p Plays) Len() int           { return len(p) }
 func (p Plays) Less(i, j int) bool { return p[i].HandStrength() < p[j].HandStrength() }
 func (p Plays) Swap(i, j int)      { p[i], p[j] = p[j], p[i] }
 func (g *Game) Counts(cards []rune) map[rune]int {
 	m := make(map[rune]int, len(g.cardOrder))
 	for _, c := range cards {
 		m[c]++
 	}
 	if g.wildCard != 0 && m[g.wildCard] > 0 {
 		var maxK rune
 		var maxV int
 		for k, v := range m {
 			if k != g.wildCard && v > maxV {
 				maxK, maxV = k, v
 			}
 		}
 		if maxK != 0 {
 			m[maxK] += m[g.wildCard]
 			delete(m, g.wildCard)
 		}
 	}
 	return m
 }
 func (g *Game) hasSame(cards []rune) (has1, has2, has3, has4, has5 bool) {
 	cnt := g.Counts(cards)
 	for _, c := range cnt {
 		switch c {
 		case 1:
 			has1 = true
 		case 2:
 			has2 = true
 		case 3:
 			has3 = true
 		case 4:
 			has4 = true
 		case 5:
 			has5 = true
 		}
 	}
 	return
 }
 func (g *Game) pairs(cards []rune) int {
 	pairs := 0
 	for _, n := range g.Counts(cards) {
 		if n == 2 {
 			pairs++
 		}
 	}
 	return pairs
 }
@@ -0,0 +1,74 @@
 package main
 import (
 	"bufio"
 	"bytes"
 	"fmt"
 	"testing"
 	_ "embed"
 	"github.com/matryer/is"
 )
 // AKQJT98765432
 // dcba987654321
 //go:embed example.txt
 var example []byte
 //go:embed input.txt
 var input []byte
 func TestHands(t *testing.T) {
 	is := is.New(t)
 	var game Game
 	game.cardOrder = getOrder(cardTypes1)
 	h := Play{0, []rune("AAA23"), &game}
 	is.Equal(h.HandType(), "3K-A")
 	h = Play{0, []rune("JJJJJ"), &game}
 	is.Equal(h.HandType(), "5K-J")
 	is.Equal(fmt.Sprintf("%x", h.HandStrength()), "7aaaaa")
 	h = Play{0, []rune("KKKKJ"), &game}
 	is.Equal(h.HandType(), "4K-K")
 	is.Equal(fmt.Sprintf("%x", h.HandStrength()), "6cccca")
 	h = Play{0, []rune("QQQJA"), &game}
 	is.Equal(h.HandType(), "3K-Q")
 	is.Equal(fmt.Sprintf("%x", h.HandStrength()), "4bbbad")
 }
 func TestPower(t *testing.T) {
 	for i := 1; i <= 13; i++ {
 		for j := 100; j < 800; j += 100 {
 			t.Log(i, j, i+j)
 		}
 	}
 }
 func TestExample(t *testing.T) {
 	is := is.New(t)
 	scan := bufio.NewScanner(bytes.NewReader(example))
 	r, err := run(scan)
 	is.NoErr(err)
 	is.Equal(r.valuePT1, uint64(6440))
 	is.Equal(r.valuePT2, uint64(5905))
 }
 func TestSolution(t *testing.T) {
 	is := is.New(t)
 	scan := bufio.NewScanner(bytes.NewReader(input))
 	r, err := run(scan)
 	is.NoErr(err)
 	t.Log("score1", r.valuePT1)
 	is.Equal(r.valuePT1, uint64(248559379))
 	t.Log("score2", r.valuePT2)
 	is.Equal(r.valuePT2, uint64(249631254))
 }
@@ -0,0 +1,9 @@
 RL
 AAA = (BBB, CCC)
 BBB = (DDD, EEE)
 CCC = (ZZZ, GGG)
 DDD = (DDD, DDD)
 EEE = (EEE, EEE)
 GGG = (GGG, GGG)
 ZZZ = (ZZZ, ZZZ)
@@ -0,0 +1,5 @@
 LLR
 AAA = (BBB, BBB)
 BBB = (AAA, ZZZ)
 ZZZ = (ZZZ, ZZZ)
@@ -0,0 +1,10 @@
 LR
 11A = (11B, XXX)
 11B = (XXX, 11Z)
 11Z = (11B, XXX)
 22A = (22B, XXX)
 22B = (22C, 22C)
 22C = (22Z, 22Z)
 22Z = (22B, 22B)
 XXX = (XXX, XXX)
@@ -0,0 +1,708 @@
 LLLLRLRLRRLRRRLRRLRLRRLRLLRRRLRRLRRRLRLLLRLRRLRLLRRRLRRLRLRRLLRRRLRRRLRLRRLRRRLRRLRRLLRRRLLLLRRLRRLRRLRRRLLLRLRLRLRRLRRRLRLRRRLRLRRRLRRLRRLLRRLLRLRRRLRLRRRLLLRLRRRLRLRRRLRRLRLRRLRRRLRRRLRRLLLRRRLRRLRRLRRLRRRLLLRRLRLRRRLLLLRRRLRRLRRRLLRLRLRRLLRRRLLRLRLRLRRLRRLRRRLRRLLRLRRLRRLLLLRRLRLRRLLRRLLRRLRRLRRRLLLRRRR
 BRR = (LVC, FSJ)
 BHX = (GMG, QTN)
 TJD = (HQF, PBJ)
 JGN = (JXR, DGK)
 NMC = (VPC, CRF)
 DVJ = (KMM, DFJ)
 LML = (MTG, KNX)
 JKL = (LRX, FRD)
 FJR = (MHX, SBX)
 LMC = (QNB, QCK)
 LJF = (KCJ, HCT)
 KTL = (XTG, NGM)
 GJB = (KTQ, KTQ)
 BXR = (TDR, KMK)
 GKB = (VXT, NQR)
 PJL = (FPL, TFX)
 LNZ = (CJC, DQL)
 KCG = (KDL, LMF)
 PGG = (NDL, XXC)
 PMS = (XQM, DFG)
 CJF = (MCG, RTJ)
 JTH = (PGS, SGZ)
 QBS = (JSC, KMT)
 DQL = (KRR, PBL)
 HSF = (SNP, KJR)
 XVQ = (VQR, HSX)
 QKF = (PBT, XLC)
 DNA = (DQL, CJC)
 LNF = (RVC, TJD)
 MKT = (LDX, CGC)
 BXP = (RGX, TTR)
 SBX = (PGT, JGN)
 JQK = (HDQ, BHQ)
 MHL = (TLX, JDN)
 BBD = (QNJ, BRM)
 MTT = (BVK, DXB)
 FVR = (VLN, PRV)
 RVC = (HQF, PBJ)
 LDX = (LRS, KBV)
 BKF = (PXH, TNB)
 BRM = (XTV, NGH)
 DDL = (JNG, SFF)
 BBT = (BQJ, BCN)
 GPK = (CVK, DDL)
 TLX = (BDN, XNT)
 JHL = (BRX, QBT)
 NTL = (HSR, DJD)
 XBH = (PJX, JQK)
 PPF = (LCT, BJL)
 SFF = (FVR, NFG)
 HNA = (CTC, BSG)
 CNG = (DXM, QFN)
 GML = (NRD, TVN)
 RHH = (NBT, LJH)
 LDM = (DDN, TRN)
 XSK = (PLB, NVJ)
 NCQ = (MDN, XGT)
 FCQ = (HCT, KCJ)
 DRC = (JKL, JNM)
 SHR = (KLX, VLH)
 FTP = (DRN, DKV)
 QBF = (GVS, NXK)
 GXK = (XDK, LVF)
 KMK = (VXV, XCS)
 PKK = (QNJ, BRM)
 NJH = (TKL, PQK)
 BRX = (MNM, HVC)
 VTD = (BJK, LML)
 QVX = (DVJ, DSF)
 GRM = (JCV, SQB)
 RDQ = (HCG, XMB)
 RGX = (FCN, TPD)
 HBH = (FPR, DHX)
 PHM = (JSP, RCR)
 NBT = (FRG, CMJ)
 XRH = (HCB, FBM)
 GMR = (FDJ, NJD)
 MVG = (RDJ, QSD)
 BDL = (JSB, TFN)
 VXT = (MBM, JND)
 TXC = (QDG, LTV)
 SRL = (RRX, NDS)
 SGN = (MPL, CBB)
 HVH = (SLJ, CBC)
 VPC = (CCG, QSJ)
 KCJ = (CKC, TTD)
 RLT = (LLT, VVL)
 RXV = (KXQ, VBR)
 FQS = (STP, BHX)
 SGC = (RLJ, QGB)
 XLX = (HRG, DGV)
 XKV = (QQB, TNQ)
 SLJ = (GTB, MPF)
 PKV = (CQN, THS)
 RPP = (QFT, TNK)
 DKL = (MFC, MFC)
 BCG = (FXM, GPR)
 RFV = (DRC, MPD)
 VVC = (FGN, CVL)
 HQB = (QNT, VVC)
 RRP = (VVC, QNT)
 TRS = (RCM, GHN)
 QBT = (HVC, MNM)
 XKS = (SCC, VXX)
 TPS = (FMH, KFN)
 MTS = (VXT, NQR)
 FXM = (LDM, FQT)
 LNB = (XJV, SJN)
 HVF = (QXC, RBH)
 LSG = (QHM, TSM)
 JMP = (HBH, NQK)
 NGM = (KDP, HHP)
 HCG = (SLR, TSC)
 HGX = (DFG, XQM)
 DLG = (BVN, GMM)
 DJD = (VGP, VML)
 HBT = (XKL, JBQ)
 NVJ = (GKX, PKS)
 CPS = (PKJ, RSV)
 SKN = (NBT, LJH)
 CCK = (TTJ, SLV)
 DXM = (CBN, BXR)
 RJD = (XJH, SKH)
 RDJ = (CNF, TTG)
 PKJ = (BCM, XKC)
 FQL = (SRV, DFC)
 KDS = (MFB, CLQ)
 QKR = (VGD, CXK)
 XXC = (NFD, SPS)
 PSQ = (NJH, BLR)
 BLR = (PQK, TKL)
 LMX = (DGV, HRG)
 GCK = (CSR, CSR)
 GKJ = (JHL, PNN)
 GVS = (TLN, LJX)
 FPR = (JCH, GKD)
 VQV = (DGB, GGN)
 CPF = (VMH, JQQ)
 GKD = (SGF, PHM)
 JNM = (LRX, FRD)
 CXV = (LNF, HGF)
 TNK = (RRD, HKC)
 DXX = (LMC, ZZZ)
 DGG = (PPF, TRR)
 MLH = (TVL, PBR)
 LBC = (LJL, FTR)
 FVQ = (TBC, LKB)
 LTF = (CBC, SLJ)
 TVH = (XMS, GJS)
 SFB = (TTJ, SLV)
 LVF = (MBT, SJB)
 XPP = (QDM, PJL)
 BVK = (RPV, JMP)
 VGD = (MRX, FJR)
 FRD = (XBH, CDN)
 LKM = (CMF, XNS)
 TCJ = (MMS, PGG)
 DHQ = (MTT, BKS)
 HDQ = (GPH, XKH)
 KTJ = (QQT, MKR)
 NMQ = (VFK, VSD)
 RSK = (QDM, PJL)
 XQC = (KFP, HVB)
 LQN = (NGM, XTG)
 TKG = (XDQ, XDQ)
 KBB = (VQR, HSX)
 TQQ = (QDG, LTV)
 SQN = (TDQ, XKV)
 TSM = (TSH, MRP)
 KPH = (THS, CQN)
 HCB = (DVL, RTV)
 MLR = (GHT, NSN)
 BFM = (GCK, SLX)
 GXQ = (QKM, JJL)
 GNF = (HRQ, XTK)
 TRR = (BJL, LCT)
 AAA = (QNB, QCK)
 SDL = (KJX, LSN)
 DKV = (KBB, XVQ)
 RMR = (MQR, CPR)
 MQC = (CBV, SRP)
 PRV = (KDS, FBX)
 GTB = (CCK, SFB)
 SNP = (PXX, SHR)
 NTR = (VHT, KXK)
 MKJ = (DDL, CVK)
 LSQ = (HSF, RMN)
 TTJ = (CBH, QKF)
 DNH = (MVG, JCJ)
 KMM = (KPH, PKV)
 NTT = (RQK, PFK)
 QMF = (BFM, PJB)
 RJB = (RBH, QXC)
 LRS = (MJT, BVM)
 CJG = (RMR, BMN)
 DVQ = (GXM, DDH)
 MFC = (LMC, LMC)
 XTG = (HHP, KDP)
 HKB = (RDQ, TVT)
 PKS = (JQM, DGG)
 BJK = (KNX, MTG)
 TVT = (XMB, HCG)
 JNR = (JHG, JLN)
 VFK = (XKS, QBH)
 NPC = (PKK, BBD)
 PXX = (KLX, VLH)
 XLC = (NST, BXP)
 CBB = (LMX, XLX)
 KLX = (MSH, LCF)
 CLQ = (JNF, JNC)
 TSS = (MKR, QQT)
 SSS = (RMQ, RCS)
 QSD = (TTG, CNF)
 NHG = (DVQ, VNB)
 CTC = (VCN, RJD)
 THS = (QRH, GPT)
 KDR = (RTK, GKJ)
 NTD = (CGG, SPN)
 GHP = (NCQ, FCD)
 KXQ = (RLS, VRM)
 GNV = (BQJ, BCN)
 DXQ = (QHC, FXN)
 RQB = (FVQ, TNF)
 CNF = (TXC, TQQ)
 BGB = (QQS, LRV)
 ZZZ = (QCK, QNB)
 NFM = (MGV, VTD)
 MFD = (DBF, KSN)
 NST = (RGX, TTR)
 XJV = (LGL, LGL)
 TRQ = (TVH, KJL)
 PPV = (CJP, VHH)
 DNV = (DBM, VGJ)
 JBQ = (MHL, RFN)
 HRG = (JFD, VQP)
 RMB = (JKJ, JGJ)
 RGQ = (RSK, XPP)
 KHF = (TJG, KPX)
 HPZ = (BSG, CTC)
 LFJ = (TSN, NMB)
 MBT = (XRC, PJR)
 QFN = (CBN, BXR)
 QSJ = (BRS, BKF)
 XJH = (RSF, VNP)
 GST = (LVF, XDK)
 DDN = (NMS, RLT)
 CXK = (FJR, MRX)
 PHH = (FPB, TCJ)
 XHV = (KTJ, TSS)
 VHT = (NPC, DMG)
 RNL = (NHG, DVN)
 TKL = (KPN, FKX)
 DGB = (GPJ, QMF)
 PNN = (QBT, BRX)
 TBC = (NTR, FKG)
 PGS = (QDT, JQL)
 SLX = (CSR, LNB)
 BVV = (LVC, FSJ)
 JQL = (MLH, GSC)
 PXH = (CJF, CKM)
 LHM = (DSF, DVJ)
 NND = (NTD, DTB)
 MFB = (JNF, JNC)
 TTR = (FCN, TPD)
 HRQ = (JTD, JTD)
 SLR = (TXT, JSN)
 VQP = (XPK, XGB)
 QHM = (MRP, TSH)
 RTJ = (PXB, TLP)
 QQT = (RRL, QHQ)
 CSR = (XJV, XJV)
 CJP = (CJG, HQQ)
 RMC = (MPD, DRC)
 XMS = (LXX, GPN)
 HSR = (VGP, VML)
 MNM = (VSS, QXR)
 SJN = (LGL, LNZ)
 KBV = (MJT, BVM)
 KFN = (NRC, VSG)
 JNC = (RHR, LFJ)
 MPF = (SFB, CCK)
 QVK = (GNK, BCG)
 NJD = (KCG, LDB)
 DBM = (MJG, MFD)
 NKF = (GGN, DGB)
 BCN = (JNR, MHK)
 GNK = (FXM, GPR)
 KMT = (HFC, CPS)
 FDJ = (KCG, LDB)
 LVD = (PHH, QDR)
 FCN = (VDP, MQC)
 QQB = (GJB, GJB)
 PLF = (JNL, HBT)
 QDM = (FPL, TFX)
 GXM = (CLD, NNL)
 MRV = (BCG, GNK)
 LKB = (NTR, FKG)
 TTG = (TQQ, TXC)
 GFD = (VSD, VFK)
 RCS = (KQQ, DNH)
 QXR = (FCQ, LJF)
 HMQ = (RJQ, FQL)
 VCN = (SKH, XJH)
 QQG = (HSR, DJD)
 HGF = (RVC, TJD)
 XMB = (TSC, SLR)
 PJB = (GCK, SLX)
 HFC = (RSV, PKJ)
 JJL = (GXK, GST)
 QTN = (JLV, SGX)
 KDP = (GNV, BBT)
 VRF = (TFN, JSB)
 GPN = (CPF, SRQ)
 TSC = (TXT, JSN)
 CRF = (QSJ, CCG)
 TNF = (TBC, LKB)
 VLH = (LCF, MSH)
 BCV = (JSC, KMT)
 NNL = (KVX, FQS)
 RVT = (HCB, FBM)
 QHC = (QKV, NCJ)
 VDP = (CBV, SRP)
 CBV = (VQV, NKF)
 CMF = (XHV, TPR)
 TRN = (RLT, NMS)
 JSB = (XTH, TRS)
 CFC = (TVT, RDQ)
 KDL = (TKG, TKG)
 TTD = (BBC, GHP)
 KJR = (PXX, SHR)
 MTV = (GVS, NXK)
 BVN = (KDR, PVP)
 DXB = (RPV, JMP)
 FSJ = (QPQ, GML)
 PBJ = (LQN, KTL)
 PXB = (BDL, VRF)
 NDS = (BGB, NGX)
 CBN = (KMK, TDR)
 NFG = (VLN, PRV)
 JTD = (PGS, PGS)
 MKR = (QHQ, RRL)
 JSN = (RFV, RMC)
 CVK = (SFF, JNG)
 FGN = (BVQ, XQC)
 HHF = (RPS, QQF)
 PLB = (PKS, GKX)
 BJB = (QMC, GPG)
 STP = (QTN, GMG)
 DGK = (RKK, BVT)
 JJM = (VGD, CXK)
 LTS = (QPN, BCL)
 LVC = (QPQ, GML)
 QNB = (GJN, RVB)
 RBH = (HMQ, HPS)
 NQK = (DHX, FPR)
 MRP = (BDT, SGN)
 JQM = (TRR, PPF)
 TSH = (BDT, SGN)
 JLN = (JCC, FCB)
 BRP = (LDX, CGC)
 SJC = (HRQ, HRQ)
 LJL = (BVB, PPV)
 SPN = (SDL, VHM)
 SDM = (DDF, LTS)
 LJH = (FRG, CMJ)
 CMG = (MKD, JGT)
 GPR = (LDM, FQT)
 QPQ = (NRD, TVN)
 JCJ = (RDJ, QSD)
 HSX = (CMG, SHF)
 VML = (RMB, MHC)
 DHX = (JCH, GKD)
 MTG = (FPX, SPD)
 BDT = (MPL, CBB)
 CJC = (PBL, KRR)
 JLS = (LJL, FTR)
 HQF = (LQN, KTL)
 HQQ = (RMR, BMN)
 QMC = (RBP, PXD)
 RPV = (HBH, NQK)
 JHG = (JCC, FCB)
 TPD = (VDP, MQC)
 BHQ = (XKH, GPH)
 XKC = (HDD, GXR)
 RPS = (KJP, KJP)
 QNT = (CVL, FGN)
 JSC = (HFC, CPS)
 KXG = (DTB, NTD)
 CKM = (RTJ, MCG)
 FTD = (KPX, TJG)
 VSD = (XKS, QBH)
 MCG = (TLP, PXB)
 XKH = (HLP, CXV)
 TNB = (CJF, CKM)
 XTH = (RCM, GHN)
 DFN = (GMR, DSS)
 LMF = (TKG, XST)
 FMH = (NRC, VSG)
 XCS = (JTS, GRM)
 GVF = (NDS, RRX)
 CXM = (HGX, PMS)
 VRM = (XJT, DXQ)
 JLV = (QVX, LHM)
 JCH = (PHM, SGF)
 NMS = (VVL, LLT)
 BHS = (XJR, LKM)
 CKC = (BBC, GHP)
 CBH = (XLC, PBT)
 PRL = (QFT, TNK)
 SDF = (VTD, MGV)
 RVB = (MLR, XHT)
 GPT = (PLF, MJX)
 KRR = (RVT, XRH)
 GXR = (BVV, BRR)
 NSN = (RGQ, JMQ)
 KJX = (TCR, MSL)
 PHL = (TSM, QHM)
 MQR = (MTS, GKB)
 XDK = (SJB, MBT)
 NRC = (DGN, BJB)
 JQQ = (LBC, JLS)
 JTS = (JCV, SQB)
 RLJ = (JJM, QKR)
 DTB = (CGG, SPN)
 BRS = (PXH, TNB)
 SRV = (SPC, DNV)
 MNP = (JJL, QKM)
 KTQ = (XSK, XSK)
 FPX = (SJC, GNF)
 VBR = (VRM, RLS)
 KSN = (HQB, RRP)
 RJQ = (SRV, DFC)
 BKS = (BVK, DXB)
 BVB = (VHH, CJP)
 XTK = (JTD, JTH)
 PBT = (BXP, NST)
 PVP = (RTK, GKJ)
 QPN = (BCV, QBS)
 QQF = (KJP, HPZ)
 QRH = (PLF, MJX)
 GHS = (BKN, TPS)
 RCM = (MNP, GXQ)
 DCT = (DDF, LTS)
 JLC = (HGX, PMS)
 VNC = (XSK, CXZ)
 BQJ = (MHK, JNR)
 SHF = (JGT, MKD)
 FXN = (QKV, NCJ)
 FPB = (PGG, MMS)
 JGJ = (KXG, NND)
 VBM = (PSQ, QKN)
 GKX = (DGG, JQM)
 DSF = (KMM, DFJ)
 CMJ = (GPK, MKJ)
 NCJ = (SDM, DCT)
 MKD = (GQG, DHQ)
 CFZ = (RQB, SHH)
 RQK = (DKL, DKL)
 XGT = (HPQ, VRQ)
 SRP = (NKF, VQV)
 BSG = (VCN, RJD)
 XRC = (NFM, SDF)
 DVL = (SRL, GVF)
 HVB = (HXS, MLD)
 MPD = (JNM, JKL)
 JSP = (PHL, LSG)
 BCR = (XJR, LKM)
 PQK = (KPN, FKX)
 FCD = (XGT, MDN)
 MDL = (JLC, CXM)
 FBX = (CLQ, MFB)
 VNP = (RGM, GHS)
 HMK = (RMN, HSF)
 SJB = (PJR, XRC)
 JFD = (XPK, XGB)
 HHP = (GNV, BBT)
 TVN = (VBM, KJN)
 DMG = (PKK, BBD)
 RGM = (BKN, TPS)
 TRF = (KXQ, VBR)
 XHT = (NSN, GHT)
 DFJ = (KPH, PKV)
 KJP = (CTC, BSG)
 LLT = (NTS, LVD)
 RMN = (SNP, KJR)
 GSC = (TVL, PBR)
 RSV = (XKC, BCM)
 TLP = (VRF, BDL)
 GGN = (GPJ, QMF)
 XJR = (CMF, XNS)
 GQG = (BKS, MTT)
 JPN = (MRV, QVK)
 RSF = (RGM, GHS)
 QQS = (DLG, JPV)
 DGV = (VQP, JFD)
 JDN = (XNT, BDN)
 LMA = (QDT, JQL)
 QDG = (QGC, DTX)
 HDD = (BVV, BRR)
 RRD = (CNG, XLJ)
 QBH = (VXX, SCC)
 GPH = (HLP, CXV)
 CVN = (MRV, QVK)
 RLS = (XJT, DXQ)
 QKN = (NJH, BLR)
 NRD = (VBM, KJN)
 NMB = (HVF, RJB)
 XNT = (RXV, TRF)
 XNS = (XHV, TPR)
 SGX = (LHM, QVX)
 NTS = (PHH, QDR)
 SPS = (LTF, HVH)
 KPX = (BCR, BHS)
 GNM = (RPS, RPS)
 CXZ = (NVJ, PLB)
 VVL = (LVD, NTS)
 VTC = (NHG, DVN)
 PXD = (BHH, SSS)
 TVL = (MKT, BRP)
 TPR = (KTJ, TSS)
 MJX = (JNL, HBT)
 BKN = (FMH, KFN)
 MBM = (BVC, FTP)
 RTV = (GVF, SRL)
 GPG = (PXD, RBP)
 KXK = (DMG, NPC)
 JPV = (GMM, BVN)
 LXP = (VPC, CRF)
 RMQ = (DNH, KQQ)
 DRN = (KBB, XVQ)
 MMS = (XXC, NDL)
 GMG = (SGX, JLV)
 MJT = (KHF, FTD)
 XJT = (QHC, FXN)
 JMQ = (XPP, RSK)
 QCS = (TVH, KJL)
 BVC = (DRN, DKV)
 SPC = (DBM, VGJ)
 SHH = (TNF, FVQ)
 VGA = (PLB, NVJ)
 RKK = (JPN, CVN)
 SCC = (TRQ, QCS)
 CDN = (JQK, PJX)
 VSS = (LJF, FCQ)
 JNF = (LFJ, RHR)
 VGP = (MHC, RMB)
 VGJ = (MJG, MFD)
 QGC = (RHH, SKN)
 RKJ = (KTQ, VNC)
 DTX = (SKN, RHH)
 HPQ = (VDR, SGC)
 CCG = (BRS, BKF)
 VLN = (FBX, KDS)
 BHH = (RMQ, RCS)
 BBC = (FCD, NCQ)
 JCV = (GNM, GNM)
 TNQ = (GJB, RKJ)
 QNJ = (NGH, XTV)
 GHT = (RGQ, JMQ)
 LJX = (CFC, HKB)
 TLN = (HKB, CFC)
 PFK = (DKL, LFL)
 PJR = (SDF, NFM)
 JNG = (NFG, FVR)
 PJX = (BHQ, HDQ)
 VHH = (CJG, HQQ)
 RTK = (PNN, JHL)
 XGB = (MLN, SQN)
 JCC = (NQX, NTT)
 BVT = (CVN, JPN)
 HPS = (RJQ, FQL)
 TCR = (DFN, RHS)
 LLA = (SHH, RQB)
 NGX = (QQS, LRV)
 SLV = (CBH, QKF)
 BMN = (CPR, MQR)
 XKL = (RFN, MHL)
 CGG = (VHM, SDL)
 KJN = (PSQ, QKN)
 LDB = (KDL, LMF)
 SPD = (SJC, GNF)
 VDR = (RLJ, QGB)
 DDF = (QPN, BCL)
 KQQ = (MVG, JCJ)
 DSS = (FDJ, NJD)
 NFD = (HVH, LTF)
 GPJ = (BFM, PJB)
 LGL = (DQL, CJC)
 TDQ = (QQB, TNQ)
 RCR = (PHL, LSG)
 SKH = (VNP, RSF)
 DGN = (QMC, GPG)
 NGH = (RNL, VTC)
 TSN = (HVF, RJB)
 MGV = (LML, BJK)
 QHQ = (LXP, NMC)
 KJL = (GJS, XMS)
 RBP = (BHH, SSS)
 QDR = (FPB, TCJ)
 RHR = (NMB, TSN)
 NXK = (LJX, TLN)
 FCB = (NQX, NTT)
 TFN = (TRS, XTH)
 MJG = (KSN, DBF)
 BVQ = (KFP, HVB)
 GMM = (PVP, KDR)
 MDN = (VRQ, HPQ)
 LTV = (DTX, QGC)
 LRV = (DLG, JPV)
 MHC = (JKJ, JGJ)
 DFC = (DNV, SPC)
 LXV = (SHH, RQB)
 PBL = (RVT, XRH)
 BDN = (RXV, TRF)
 JKJ = (KXG, NND)
 MSH = (MTV, QBF)
 NDL = (SPS, NFD)
 FKG = (VHT, KXK)
 PBR = (MKT, BRP)
 VSG = (BJB, DGN)
 RRX = (BGB, NGX)
 NQR = (JND, MBM)
 MRX = (MHX, SBX)
 DVN = (DVQ, VNB)
 HKC = (CNG, XLJ)
 PGT = (JXR, DGK)
 DBF = (HQB, RRP)
 FRG = (GPK, MKJ)
 DFG = (NMQ, GFD)
 QDT = (MLH, GSC)
 KVX = (STP, BHX)
 LCT = (MDL, KCL)
 LSN = (TCR, MSL)
 TXT = (RMC, RFV)
 MXM = (LXV, CFZ)
 TJG = (BHS, BCR)
 BCM = (GXR, HDD)
 FKX = (NTL, QQG)
 SRQ = (JQQ, VMH)
 BCL = (BCV, QBS)
 LRX = (CDN, XBH)
 RHS = (DSS, GMR)
 CLD = (FQS, KVX)
 XLJ = (DXM, QFN)
 KCL = (CXM, JLC)
 HXS = (PRL, RPP)
 JND = (BVC, FTP)
 VQR = (SHF, CMG)
 VNB = (DDH, GXM)
 QGB = (JJM, QKR)
 CVL = (BVQ, XQC)
 RFN = (JDN, TLX)
 FBM = (DVL, RTV)
 TFX = (LSQ, HMK)
 XQM = (NMQ, GFD)
 BJL = (KCL, MDL)
 FTR = (PPV, BVB)
 KNX = (FPX, SPD)
 MHK = (JHG, JLN)
 TDR = (XCS, VXV)
 HVC = (VSS, QXR)
 QXC = (HPS, HMQ)
 RRL = (NMC, LXP)
 MLD = (PRL, RPP)
 LCF = (MTV, QBF)
 VXV = (JTS, GRM)
 XTV = (RNL, VTC)
 LFL = (MFC, DXX)
 CBC = (GTB, MPF)
 CQN = (GPT, QRH)
 DDH = (NNL, CLD)
 GHN = (GXQ, MNP)
 JGT = (DHQ, GQG)
 HCT = (CKC, TTD)
 QCK = (GJN, RVB)
 SGF = (JSP, RCR)
 MPL = (XLX, LMX)
 XDQ = (LXV, LXV)
 MLN = (TDQ, XKV)
 SGZ = (JQL, QDT)
 VRQ = (SGC, VDR)
 FPL = (LSQ, HMK)
 SQB = (GNM, HHF)
 MHX = (PGT, JGN)
 QFT = (HKC, RRD)
 LXX = (CPF, SRQ)
 CPR = (GKB, MTS)
 HLP = (LNF, HGF)
 GJS = (GPN, LXX)
 QKV = (DCT, SDM)
 XST = (XDQ, MXM)
 VXX = (QCS, TRQ)
 KFP = (HXS, MLD)
 MSL = (RHS, DFN)
 NQX = (RQK, PFK)
 CGC = (LRS, KBV)
 FQT = (TRN, DDN)
 VMH = (LBC, JLS)
 VHM = (LSN, KJX)
 JXR = (BVT, RKK)
 KPN = (QQG, NTL)
 QKM = (GST, GXK)
 JNL = (XKL, JBQ)
 BVM = (KHF, FTD)
 XPK = (SQN, MLN)
 GJN = (MLR, XHT)
@@ -0,0 +1,149 @@
 package main
 import (
 	"bufio"
 	"fmt"
 	"os"
 	"strings"
 	aoc "go.sour.is/advent-of-code"
 )
 func main() {
 	result, err := aoc.Runner(run)
 	if err != nil {
 		fmt.Println("ERR", err)
 		os.Exit(1)
 	}
 	fmt.Println("result", result)
 }
 type result struct {
 	stepsPT1 uint64
 	stepsPT2 uint64
 }
 func (r result) String() string {
 	return fmt.Sprintf("solution 1: %v\nsolution 2: %v\n", r.stepsPT1, r.stepsPT2)
 }
 func run(scan *bufio.Scanner) (*result, error) {
 	var path []rune
 	m := make(nodeMap)
 	for scan.Scan() {
 		text := scan.Text()
 		if len(text) == 0 {
 			continue
 		}
 		if len(path) == 0 {
 			fmt.Println("path", text)
 			path = []rune(strings.TrimSpace(text))
 			continue
 		}
 		n := &node{}
 		i, err := fmt.Sscanf(text, "%s = (%s %s", &n.value, &n.lvalue, &n.rvalue)
 		if err != nil {
 			return nil, err
 		}
 		n.lvalue = strings.TrimRight(n.lvalue, ",)")
 		n.rvalue = strings.TrimRight(n.rvalue, ",)")
 		m[n.value] = n
 		fmt.Println("value", i, n.value, n.lvalue, n.rvalue)
 	}
 	if err := m.mapNodes(); err != nil {
 		return nil, err
 	}
 	steps1 := m.SolvePT1(path)
 	steps2 := m.SolvePT2(path)
 	return &result{steps1, steps2}, nil
 }
 type node struct {
 	value          string
 	lvalue, rvalue string
 	left, right    *node
 }
 type nodeMap map[string]*node
 func (m nodeMap) mapNodes() error {
 	for k, v := range m {
 		if ptr, ok := m[v.lvalue]; ok {
 			v.left = ptr
 		} else {
 			return fmt.Errorf("%s L-> %s not found", k, v.lvalue)
 		}
 		if ptr, ok := m[v.rvalue]; ok {
 			v.right = ptr
 		} else {
 			return fmt.Errorf("%s R-> %s not found", k, v.rvalue)
 		}
 		m[k] = v
 	}
 	return nil
 }
 func (m nodeMap) solver(start string, isEnd func(string) bool, path []rune) uint64 {
 	position, ok := m[start]
 	if !ok {
 		return 0
 	}
 	var i int
 	var steps uint64
 	for steps < ^uint64(0) {
 		steps++
 		if path[i] == 'R' {
 			// fmt.Println("step", steps, position.value, "R->", position.rvalue)
 			position = position.right
 		} else {
 			// fmt.Println("step", steps, position.value, "L->", position.lvalue)
 			position = position.left
 		}
 		if isEnd(position.value) {
 			break
 		}
 		i++
 		if i > len(path)-1 {
 			i = 0
 		}
 	}
 	return steps
 }
 func (m nodeMap) SolvePT1(path []rune) uint64 {
 	fmt.Println("---- PART 1 BEGIN ----")
 	defer fmt.Println("---- PART 1 END ----")
 	return m.solver("AAA", func(s string) bool { return s == "ZZZ" }, path)
 }
 func (m nodeMap) SolvePT2(path []rune) uint64 {
 	fmt.Println("---- PART 2 BEGIN ----")
 	defer fmt.Println("---- PART 2 END ----")
 	var starts []*node
 	for k, n := range m {
 		if strings.HasSuffix(k, "A") {
 			fmt.Println("start", k)
 			starts = append(starts, n)
 		}
 	}
 	loops := make([]uint64, len(starts))
 	for i, n := range starts {
 		loops[i] = m.solver(n.value, func(s string) bool { return strings.HasSuffix(s, "Z") }, path)
 	}
 	return aoc.LCM(loops...)
 }
@@ -0,0 +1,80 @@
 package main
 import (
 	"bufio"
 	"bytes"
 	"testing"
 	_ "embed"
 	"github.com/matryer/is"
 )
 //go:embed example1.txt
 var example1 []byte
 //go:embed example2.txt
 var example2 []byte
 //go:embed example3.txt
 var example3 []byte
 //go:embed input.txt
 var input []byte
 func TestExample1(t *testing.T) {
 	is := is.New(t)
 	scan := bufio.NewScanner(bytes.NewReader(example1))
 	result, err := run(scan)
 	is.NoErr(err)
 	t.Log(result.stepsPT1)
 	is.Equal(result.stepsPT1, uint64(2))
 }
 func TestExample2(t *testing.T) {
 	is := is.New(t)
 	scan := bufio.NewScanner(bytes.NewReader(example2))
 	result, err := run(scan)
 	is.NoErr(err)
 	t.Log(result.stepsPT1)
 	is.Equal(result.stepsPT1, uint64(6))
 }
 func TestExample3(t *testing.T) {
 	is := is.New(t)
 	scan := bufio.NewScanner(bytes.NewReader(example3))
 	result, err := run(scan)
 	is.NoErr(err)
 	t.Log(result.stepsPT2)
 	is.Equal(result.stepsPT2, uint64(6))
 }
 func TestInput(t *testing.T) {
 	is := is.New(t)
 	scan := bufio.NewScanner(bytes.NewReader(input))
 	result, err := run(scan)
 	is.NoErr(err)
 	t.Log("part1 solution", result.stepsPT1)
 	is.Equal(result.stepsPT1, uint64(14429))
 	t.Log("part2 solution", result.stepsPT2)
 	is.Equal(result.stepsPT2, uint64(10921547990923))
 }
 // first: 14429
 // second: 10921547990923
 // Brüt
 // stops 1 steps 13201
 // stops 2 steps 620447
 // stops 3 steps 36606373
 // stops 4 steps 2232988753
 // stops 5 steps 149610246451
@@ -0,0 +1,3 @@
 0 3 6 9 12 15
 1 3 6 10 15 21
 10 13 16 21 30 45
@@ -0,0 +1,200 @@
 28 38 58 115 255 558 1167 2343 4564 8699 16328 30378 56447 105549 199601 381868 735876 1418100 2712150 5115341 9472583
 24 34 56 103 191 343 593 990 1602 2520 3862 5777 8449 12101 16999 23456 31836 42558 56100 73003 93875
 12 30 66 118 187 291 486 901 1807 3760 7885 16402 33536 67001 130303 246169 451478 804146 1392500 2347766 3860393
 11 7 -1 -10 4 101 392 1052 2337 4631 8595 15584 28661 54781 109041 222274 453659 910327 1775963 3349730 6094694
 13 26 56 110 200 360 677 1347 2785 5847 12267 25493 52275 105732 211455 420013 833076 1658291 3323777 6713131 13636877
 24 36 50 68 92 124 166 220 288 372 474 596 740 908 1102 1324 1576 1860 2178 2532 2924
 4 10 18 35 81 207 523 1232 2664 5299 9766 16819 27345 42607 65306 103013 177906 352348 792280 1916515 4732055
 2 4 15 46 115 246 479 915 1841 4022 9326 21995 51143 115539 252570 534754 1099830 2205374 4328183 8346246 15873877
 6 16 41 104 240 508 1016 1959 3670 6684 11815 20246 33632 54216 84958 129677 193206 281560 402117 563812 777344
 10 24 59 127 240 410 649 969 1382 1900 2535 3299 4204 5262 6485 7885 9474 11264 13267 15495 17960
 1 3 19 65 161 334 621 1072 1753 2749 4167 6139 8825 12416 17137 23250 31057 40903 53179 68325 86833
 1 3 14 46 118 256 493 869 1431 2233 3336 4808 6724 9166 12223 15991 20573 26079 32626 40338 49346
 5 20 54 111 200 339 551 863 1338 2203 4189 9270 22068 52271 118490 254073 515553 994838 1837662 3275301 5689494
 11 19 37 74 152 315 630 1176 2019 3189 4728 6991 11599 23863 58350 151043 385257 945993 2232085 5082986 11226568
 -6 -5 -1 6 16 29 45 64 86 111 139 170 204 241 281 324 370 419 471 526 584
 19 44 79 123 175 234 299 369 443 520 599 679 759 838 915 989 1059 1124 1183 1235 1279
 20 26 41 76 144 261 459 824 1572 3189 6707 14297 30581 65483 140200 299218 633600 1324592 2722729 5487182 10824554
 2 13 49 134 316 686 1400 2714 5060 9211 16601 29879 53781 96407 171038 298877 513930 873445 1482345 2550372 4520094
 7 22 55 116 218 381 645 1090 1862 3209 5540 9533 16335 27918 47680 81409 138761 235440 396309 659706 1083288
 23 34 43 54 73 105 151 202 234 223 220 555 2284 8074 23894 62315 149406 340397 757350 1681105 3771572
 -2 9 31 72 157 346 769 1701 3724 8065 17266 36441 75513 153008 302220 580858 1085650 1973817 3493849 6028622 10154597
 17 35 83 175 326 554 878 1305 1800 2233 2292 1349 -1702 -8485 -20570 -37084 -47977 -18173 145725 659887 1980386
 6 19 49 119 273 598 1257 2530 4856 8858 15310 24963 38082 53479 66865 68818 44405 -18660 -94790 -14282 809438
 17 21 22 20 15 7 -4 -18 -35 -55 -78 -104 -133 -165 -200 -238 -279 -323 -370 -420 -473
 8 23 59 139 312 672 1383 2710 5056 9005 15371 25253 40096 61758 92583 135480 194008 272467 375995 510671 683624
 9 16 34 63 103 154 216 289 373 468 574 691 819 958 1108 1269 1441 1624 1818 2023 2239
 8 19 59 140 275 481 794 1315 2308 4381 8817 18206 37692 77458 157694 318613 640892 1287715 2591041 5226414 10560561
 8 21 37 57 82 107 117 88 -4 -163 -339 -377 54 1555 5117 12270 25264 47285 82709 137397 219034
 22 34 44 52 58 62 64 64 62 58 52 44 34 22 8 -8 -26 -46 -68 -92 -118
 28 57 114 220 416 779 1446 2651 4785 8494 14832 25483 43057 71450 116238 185052 287858 437047 647230 934638 1316054
 16 20 24 28 32 36 40 44 48 52 56 60 64 68 72 76 80 84 88 92 96
 28 39 48 62 97 180 347 630 1022 1413 1518 905 -557 -1064 7553 50137 189888 570667 1494764 3559032 7883557
 5 0 3 30 106 262 542 1035 1947 3728 7269 14184 27192 50614 91000 157901 264801 430224 679031 1043922 1567158
 4 21 55 119 239 461 864 1591 2913 5356 9967 18894 36631 72557 145803 294037 588486 1158435 2229571 4181885 7634411
 8 11 15 33 81 182 384 805 1728 3777 8206 17321 35023 67400 123199 213865 352632 551879 817609 1139457 1474069
 6 15 30 69 162 358 754 1560 3223 6658 13679 27799 55705 109973 214073 411584 783020 1476065 2758724 5110417 9373988
 18 26 37 54 84 138 231 382 614 954 1433 2086 2952 4074 5499 7278 9466 12122 15309 19094 23548
 3 -2 -7 -12 -17 -22 -27 -32 -37 -42 -47 -52 -57 -62 -67 -72 -77 -82 -87 -92 -97
 16 32 61 121 242 466 847 1451 2356 3652 5441 7837 10966 14966 19987 26191 33752 42856 53701 66497 81466
 13 35 79 160 302 554 1015 1865 3399 6061 10475 17470 28096 43628 65555 95551 135425 187047 252247 332684 429682
 13 6 -9 -20 11 156 538 1364 2981 5967 11279 20495 36207 62647 106658 179157 297277 487420 789503 1262734 1993315
 14 11 18 51 141 348 790 1714 3660 7803 16602 34939 71995 144184 279550 524126 950858 1671811 2854498 4743307 7687145
 2 7 22 56 123 242 437 737 1176 1793 2632 3742 5177 6996 9263 12047 15422 19467 24266 29908 36487
 19 34 68 128 220 349 519 733 993 1300 1654 2054 2498 2983 3505 4059 4639 5238 5848 6460 7064
 21 48 85 132 195 292 468 836 1684 3739 8772 20876 48964 111327 243473 510946 1029407 1994954 3728471 6738732 11810049
 11 27 55 108 210 394 696 1143 1733 2405 2997 3190 2436 -132 -5810 -16455 -34641 -63841 -108637 -174960 -270362
 12 12 12 25 90 292 791 1869 4012 8064 15537 29266 54829 103647 199701 393835 793523 1623291 3344337 6885726 14081159
 5 13 31 72 164 358 736 1410 2499 4070 6039 8076 9700 11088 15835 38309 120943 371965 1044017 2693426 6497234
 -1 -4 4 46 162 411 867 1607 2698 4206 6273 9338 14615 24985 46510 90835 178809 345728 648682 1176574 2063472
 8 16 23 40 92 216 455 847 1408 2108 2839 3374 3316 2036 -1401 -8323 -20552 -40520 -71401 -117260 -183220
 27 54 93 143 215 340 581 1059 2009 3892 7603 14833 28665 54510 101519 184641 327535 566586 956321 1576571 2541779
 18 25 37 63 114 201 333 515 746 1017 1309 1591 1818 1929 1845 1467 674 -679 -2763 -5777 -9950
 11 23 58 131 266 508 956 1834 3618 7240 14408 28142 53779 101035 188408 352630 668776 1292502 2547568 5104551 10339633
 20 30 55 112 230 464 919 1792 3444 6514 12092 22012 39486 70717 129039 244932 488666 1018738 2181538 4711697 10130222
 8 15 22 29 36 43 50 57 64 71 78 85 92 99 106 113 120 127 134 141 148
 8 17 18 5 -32 -110 -256 -510 -928 -1585 -2578 -4029 -6088 -8936 -12788 -17896 -24552 -33091 -43894 -57391 -74064
 0 6 28 73 155 304 573 1043 1826 3066 4938 7645 11413 16484 23107 31527 41972 54638 69672 87153 107071
 8 14 26 39 49 61 112 320 974 2687 6657 15139 32341 66134 131237 254984 487637 921079 1723959 3210704 5981290
 -3 6 32 88 209 468 1005 2092 4276 8669 17497 35106 69812 137381 267702 517614 995199 1904592 3626038 6854228 12829699
 16 14 18 32 52 64 53 40 180 979 3722 11247 29252 68383 147421 297965 571096 1046604 1845466 3146378 5207268
 0 19 60 146 330 708 1432 2721 4864 8205 13096 19800 28322 38142 47820 54439 52848 34663 -13020 -109250 -281238
 19 37 70 119 185 269 372 495 639 805 994 1207 1445 1709 2000 2319 2667 3045 3454 3895 4369
 8 18 30 51 92 174 350 764 1787 4310 10347 24225 54843 119816 252855 516572 1024178 1975442 3715028 6825207 12270294
 9 31 64 108 163 229 306 394 493 603 724 856 999 1153 1318 1494 1681 1879 2088 2308 2539
 27 36 46 65 110 223 504 1178 2725 6116 13214 27417 54640 104755 193632 345950 598975 1007532 1650430 2638633 4125506
 -3 -9 -19 -25 -9 63 252 660 1449 2882 5441 10155 19412 38768 80661 171586 365345 766697 1572457 3141343 6110353
 9 13 16 19 30 81 256 730 1819 4041 8188 15409 27304 46029 74412 116080 175597 258613 372024 524143 724882
 8 17 26 35 44 53 62 71 80 89 98 107 116 125 134 143 152 161 170 179 188
 13 29 69 150 300 564 1014 1770 3055 5340 9688 18482 36824 75023 152753 305660 595433 1124631 2057879 3651414 6293380
 19 39 64 101 169 299 534 929 1551 2479 3804 5629 8069 11251 15314 20409 26699 34359 43576 54549 67489
 26 48 79 119 168 226 293 369 454 548 651 763 884 1014 1153 1301 1458 1624 1799 1983 2176
 16 28 45 62 80 120 240 563 1330 3003 6482 13603 28310 59352 126262 272164 590489 1279633 2753130 5858989 12311553
 16 27 38 49 60 71 82 93 104 115 126 137 148 159 170 181 192 203 214 225 236
 16 26 52 107 212 412 806 1601 3204 6384 12578 24502 47411 91748 178785 352718 706597 1437520 2962583 6158201 12843931
 15 23 44 100 234 527 1138 2396 4995 10379 21457 43857 88008 172421 328611 608145 1092295 1904695 3227218 5318970 8537806
 19 35 67 125 219 359 555 817 1155 1579 2099 2725 3467 4335 5339 6489 7795 9267 10915 12749 14779
 14 9 -2 -25 -60 -96 -107 -38 250 1146 3714 10678 28555 72047 172745 395881 871826 1854119 3824278 7677249 15042442
 0 14 48 119 263 559 1175 2446 5004 10002 19512 37235 69743 128583 233715 418934 740144 1287614 2203656 3707527 6129775
 -6 -13 -11 9 54 127 233 409 798 1797 4331 10342 23629 51210 105348 206191 384454 682459 1149765 1826027 2697892
 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 -1 -2 -3 -4 -5 -6
 9 15 23 41 93 228 528 1127 2265 4422 8622 17094 34685 71869 151157 320706 682873 1452897 3076233 6455943 13379245
 26 38 54 85 154 309 648 1354 2736 5284 9786 17637 31605 57512 107535 206117 399770 772302 1467138 2718337 4891512
 7 2 -4 -11 -19 -28 -38 -49 -61 -74 -88 -103 -119 -136 -154 -173 -193 -214 -236 -259 -283
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 -3 -4 -7 -12 -19 -28 -39 -52 -67 -84 -103 -124 -147 -172 -199 -228 -259 -292 -327 -364 -403
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 2 9 39 99 204 393 760 1519 3132 6545 13600 27720 54996 105835 197349 356668 625334 1064865 1763453 2843561 4469892
 20 33 49 75 125 228 457 1004 2337 5480 12453 26893 54846 105671 192927 335020 555266 880875 1340177 1957191 2742379
 18 21 16 6 5 57 270 860 2190 4774 9202 15936 24945 35235 44593 50493 54394 73951 171296 510662 1464845
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 25 33 43 67 138 323 742 1611 3346 6797 13731 27756 55976 111792 219447 421300 789851 1449309 2618271 4700169 8479106
 27 42 62 88 120 169 286 615 1492 3635 8492 18826 39628 79522 153115 285551 522357 951296 1749478 3279940 6279276
 -1 11 47 125 280 574 1106 2022 3525 5885 9449 14651 22022 32200 45940 64124 87771 118047 156275 203945 262724
 13 21 51 115 225 393 631 951 1365 1885 2523 3291 4201 5265 6495 7903 9501 11301 13315 15555 18033
 20 35 53 83 140 245 425 713 1148 1775 2645 3815 5348 7313 9785 12845 16580 21083 26453 32795 40220
 10 26 63 132 248 429 694 1074 1663 2751 5098 10427 22235 47044 96239 188667 354200 638496 1109225 1864062 3040786
 6 -1 -9 -15 -17 -13 13 141 635 2188 6391 16606 39556 88146 186315 377108 735668 1389501 2549183 4553679 7935653
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 7 22 41 65 106 207 489 1245 3117 7431 16845 36609 76972 157632 315649 618971 1188707 2234572 4109585 7392185 13006510
 10 9 5 -1 3 51 224 700 1840 4321 9327 18809 35825 64971 112914 189038 306214 481705 738217 1105107 1619759
 12 16 30 69 148 282 486 775 1164 1668 2302 3081 4020 5134 6438 7947 9676 11640 13854 16333 19092
 1 0 10 42 98 172 270 462 979 2368 5718 12970 27324 53756 99658 175614 296325 481696 758098 1159818 1730710
 8 19 38 73 142 283 562 1079 1973 3430 5708 9217 14739 23954 40566 72513 136014 262573 510546 983505 1858428
 9 24 57 114 205 359 643 1184 2197 4026 7209 12582 21441 35785 58667 94684 150641 236428 366153 559578 843909
 8 14 22 32 44 58 74 92 112 134 158 184 212 242 274 308 344 382 422 464 508
 24 34 44 54 64 74 84 94 104 114 124 134 144 154 164 174 184 194 204 214 224
 16 30 63 126 233 405 686 1187 2184 4316 8979 19130 40965 87415 185254 389023 807192 1649322 3307839 6494862 12463897
 -7 -7 1 32 121 335 787 1666 3321 6479 12739 25563 52073 106047 212569 414805 783321 1428197 2513885 4276266 7040633
 -2 1 4 7 10 13 16 19 22 25 28 31 34 37 40 43 46 49 52 55 58
 13 27 38 41 36 48 177 688 2156 5707 13455 29337 60698 121182 235783 449463 842011 1554867 2842648 5177133 9461476
 15 42 93 182 326 549 884 1374 2086 3178 5119 9300 19562 45721 111199 268798 632393 1439844 3177921 6832092 14389654
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 8 5 13 42 97 177 284 446 766 1532 3473 8340 20149 47680 109278 241921 518597 1082840 2220086 4508651 9140126
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 24 37 47 65 117 257 594 1347 2963 6367 13474 28217 58615 120994 248715 510261 1046343 2144574 4386122 8926186 18016274
 11 16 36 80 158 277 445 706 1254 2711 6703 16929 40991 93338 199774 404089 777493 1431666 2536382 4342822 7213860
 0 -2 8 48 141 321 657 1303 2580 5096 9915 18799 34571 61685 107144 181982 303624 499562 812938 1310810 2096097
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 -7 6 36 87 163 272 446 788 1568 3411 7651 16966 36460 75419 150039 287505 531891 952452 1654990 2797097 4608209
 13 29 56 95 152 244 405 692 1191 2023 3350 5381 8378 12662 18619 26706 37457 51489 69508 92315 120812
 15 27 59 125 237 417 722 1283 2361 4428 8300 15415 28528 53504 103742 210470 445527 969865 2133765 4678765 10135083
 20 31 57 122 274 596 1223 2377 4439 8101 14695 26909 50338 96812 191434 387177 794467 1639641 3377468 6902112 13932807
 10 37 91 200 416 820 1528 2716 4696 8091 14175 25464 46666 86122 157896 284700 501870 862641 1445003 2360456 3765020
 6 24 54 95 153 251 440 812 1516 2778 4926 8421 13895 22197 34448 52106 77042 111628 158838 222363 306741
 9 24 49 84 125 162 193 281 693 2172 6405 16762 39393 84782 169869 320863 576881 994560 1653801 2664816 4176661
 3 10 23 57 149 386 945 2142 4499 8866 16685 30566 55492 101260 187366 352765 675303 1309938 2562335 5026719 9836291
 15 29 55 109 226 481 1024 2134 4299 8344 15672 28779 52397 95981 178896 340733 660899 1294259 2533505 4914517 9388784
 14 33 78 166 331 644 1248 2423 4711 9165 17861 34963 68917 136884 273538 548338 1099300 2198986 4383250 8701159 17195603
 7 5 5 7 11 17 25 35 47 61 77 95 115 137 161 187 215 245 277 311 347
 0 2 9 21 38 60 87 119 156 198 245 297 354 416 483 555 632 714 801 893 990
 8 11 29 79 200 478 1087 2365 4957 10076 19965 38689 73433 136495 248086 439830 758518 1269449 2059289 3241351 4974534
 9 26 71 154 282 459 686 961 1279 1632 2009 2396 2776 3129 3432 3659 3781 3766 3579 3182 2534
 -8 -9 -1 23 70 147 261 419 628 895 1227 1631 2114 2683 3345 4107 4976 5959 7063 8295 9662
 14 38 88 183 349 621 1047 1694 2656 4064 6098 9001 13095 18799 26649 37320 51650 70666 95612 127979 169537
 1 4 7 10 13 16 19 22 25 28 31 34 37 40 43 46 49 52 55 58 61
 10 17 33 71 156 319 593 1016 1655 2681 4550 8393 16823 35591 76964 166498 356232 749489 1545759 3118955 6149158
 -2 5 20 55 147 378 896 1945 3924 7507 13868 25067 44665 78648 136752 234293 394618 652305 1057252 1679807 2617103
 -2 -3 -3 12 76 250 640 1443 3044 6202 12405 24581 48599 96524 193673 393656 809674 1677915 3482413 7194006 14714566
 -5 -2 2 11 40 131 388 1045 2594 6015 13162 27362 54272 103007 187497 327953 552225 896728 1406510 2133961 3135644
 -1 -2 -3 -4 -5 -6 -7 -8 -9 -10 -11 -12 -13 -14 -15 -16 -17 -18 -19 -20 -21
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 22 44 78 135 237 421 758 1410 2772 5783 12540 27421 59046 123639 250801 493519 945638 1772306 3262446 5917591 10599023
 24 37 60 106 197 375 727 1435 2867 5730 11311 21837 40990 74618 131688 225532 375442 608675 962934 1489396 2256363
 12 20 49 112 222 392 635 964 1392 1932 2597 3400 4354 5472 6767 8252 9940 11844 13977 16352 18982
 2 7 24 61 126 227 372 569 826 1151 1552 2037 2614 3291 4076 4977 6002 7159 8456 9901 11502
 12 11 22 60 158 379 821 1618 2953 5122 8728 15159 27666 53731 110255 234858 510014 1112985 2415218 5172306 10872818
 17 24 49 120 294 677 1456 2952 5715 10719 19792 36560 68444 130715 254454 501802 994701 1968430 3870295 7539464 14530122
 25 40 65 122 253 535 1117 2293 4630 9184 17861 34010 63355 115342 204806 353380 588983 939636 1414390 1959381 2372399
 25 52 90 138 195 260 332 410 493 580 670 762 855 948 1040 1130 1217 1300 1378 1450 1515
 0 2 24 87 221 468 885 1547 2550 4014 6086 8943 12795 17888 24507 32979 43676 57018 73476 93575 117897
 19 32 61 117 214 369 603 947 1457 2242 3509 5629 9228 15307 25395 41739 67535 107204 166717 253973 379234
 23 32 38 44 60 103 197 373 669 1130 1808 2762 4058 5769 7975 10763 14227 18468 23594 29720 36968
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 3 17 48 105 201 354 600 1028 1847 3495 6800 13203 25053 45984 81384 138966 229451 367373 572016 868493 1288977
 -4 -3 10 49 132 289 583 1147 2252 4449 8873 17855 36050 72341 142802 274973 513588 927669 1618516 2727541 4442064
 19 39 74 133 236 422 765 1415 2696 5313 10758 22099 45557 93732 192181 392487 797276 1606233 3197558 6267150 12058959
 -7 -10 -13 -16 -19 -22 -25 -28 -31 -34 -37 -40 -43 -46 -49 -52 -55 -58 -61 -64 -67
 21 44 74 122 221 432 849 1603 2865 4848 7808 12044 17897 25748 36015 49149 65629 85956 110646 140222 175205
 18 26 39 66 116 198 321 494 726 1026 1403 1866 2424 3086 3861 4758 5786 6954 8271 9746 11388
 21 40 78 164 356 766 1605 3259 6420 12322 23187 43106 79841 148586 279840 535679 1042583 2055644 4079972 8092520 15934162
 20 37 62 95 136 185 242 307 380 461 550 647 752 865 986 1115 1252 1397 1550 1711 1880
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 8 13 15 13 15 42 131 338 755 1592 3455 8105 20256 51423 127543 303162 686530 1482119 3060047 6065853 11589253
 12 30 59 93 125 157 214 361 722 1498 2987 5640 10262 18599 34737 67942 137708 281702 566759 1101727 2048287
 -3 10 49 127 264 492 863 1464 2440 4028 6633 11078 19417 37246 79490 183510 436575 1030078 2361565 5219525 11107638
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 19 43 88 176 343 647 1194 2198 4111 7897 15598 31482 64323 131829 269087 544536 1090317 2160903 4249054 8320480 16296305
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 12 22 38 64 119 247 532 1123 2276 4424 8309 15295 28210 53572 107038 225653 493336 1090494 2385292 5093646 10548309
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 16 36 82 165 307 556 1007 1841 3405 6374 12066 23034 44170 84820 163047 314653 612780 1210538 2432293 4964944 10250289
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 -4 12 56 141 280 486 772 1151 1636 2240 2976 3857 4896 6106 7500 9091 10892 12916 15176 17685 20456
@@ -0,0 +1,134 @@
 package main
 import (
 	"bufio"
 	"cmp"
 	"fmt"
 	"strings"
 	aoc "go.sour.is/advent-of-code"
 )
 func main() { aoc.MustResult(aoc.Runner(run)) }
 type result struct {
 	valuePT1 int
 	valuePT2 int
 }
 func (r result) String() string { return fmt.Sprintf("%#v", r) }
 var log = aoc.Log
 func run(scan *bufio.Scanner) (*result, error) {
 	var histories [][]int
 	var values []int
 	var rvalues []int
 	for scan.Scan() {
 		text := scan.Text()
 		if len(text) == 0 {
 			continue
 		}
 		histories = append(histories, aoc.ReadStringToInts(strings.Fields(text)))
 		log(last(histories...))
 		values = append(values, predictNext(last(histories...)))
 		rvalues = append(rvalues, predictPrev(last(histories...)))
 	}
 	log("values", values)
 	log("rvalues", rvalues)
 	return &result{valuePT1: sum(values...), valuePT2: sum(rvalues...)}, nil
 }
 func predictNext(in []int) int {
 	log(" ---- PREDICT NEXT ----")
 	defer log(" ----------------------")
 	history := makeHistory(in)
 	aoc.Reverse(history)
 	return predict(history, func(a, b int) int { return a + b })
 }
 func predictPrev(in []int) int {
 	log(" ---- PREDICT PREV ----")
 	defer log(" ----------------------")
 	history := makeHistory(in)
 	for i := range history {
 		aoc.Reverse(history[i])
 	}
 	aoc.Reverse(history)
 	return predict(history, func(a, b int) int { return b - a })
 }
 func predict(history [][]int, diff func(a, b int) int) int {
 	log(" ---- PREDICT ----")
 	defer log(" -----------------")
 	for i := range history[1:] {
 		lastHistory, curHistory := last(history[i]...), last(history[i+1]...)
 		history[i+1] = append(history[i+1], diff(lastHistory, curHistory))
 		log(lastHistory, curHistory, last(history[i+1]))
 	}
 	log("last", last(history...))
 	return last(last(history...)...)
 }
 func makeHistory(in []int) [][]int {
 	var history [][]int
 	history = append(history, in)
 	for {
 		var diffs []int
 		current := history[len(history)-1]
 		for i := range current[1:] {
 			diffs = append(diffs, current[i+1]-current[i])
 		}
 		history = append(history, diffs)
 		log(diffs)
 		if max(diffs[0], diffs[1:]...) == 0 && min(diffs[0], diffs[1:]...) == 0 {
 			break
 		}
 	}
 	return history
 }
 func max[T cmp.Ordered](a T, v ...T) T {
 	for _, b := range v {
 		if b > a {
 			a = b
 		}
 	}
 	return a
 }
 func min[T cmp.Ordered](a T, v ...T) T {
 	for _, b := range v {
 		if b < a {
 			a = b
 		}
 	}
 	return a
 }
 func sum[T cmp.Ordered](v ...T) T {
 	var s T
 	for _, a := range v {
 		s += a
 	}
 	return s
 }
 func last[T any](v ...T) T {
 	return v[len(v)-1]
 }
@@ -0,0 +1,44 @@
 package main
 import (
 	"bufio"
 	"bytes"
 	_ "embed"
 	"testing"
 	"github.com/matryer/is"
 )
 //go:embed example.txt
 var example []byte
 //go:embed input.txt
 var input []byte
 func TestExample(t *testing.T) {
 	is := is.New(t)
 	scan := bufio.NewScanner(bytes.NewReader(example))
 	result, err := run(scan)
 	is.NoErr(err)
 	t.Log(result)
 	is.Equal(result.valuePT1, int(114))
 	is.Equal(result.valuePT2, 2)
 }
 func TestInput(t *testing.T) {
 	is := is.New(t)
 	scan := bufio.NewScanner(bytes.NewReader(input))
 	result, err := run(scan)
 	is.NoErr(err)
 	t.Log(result.valuePT1)
 	is.Equal(result.valuePT1, int(1806615041))
 	t.Log(result.valuePT2)
 	is.True(result.valuePT2 < 1806615046) // first attempt
 	is.Equal(result.valuePT2, 1211)
 }
@@ -0,0 +1,5 @@
 .....
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@@ -0,0 +1,5 @@
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@@ -0,0 +1,9 @@
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 .|F-----7|.
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@@ -0,0 +1,10 @@
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 .....|FJLJ|FJ|F7|.LJ
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 ....L---J.LJ.LJLJ...
@@ -0,0 +1,10 @@
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 7-L-JL7||F7|L7F-7F7|
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@@ -0,0 +1,140 @@
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@@ -0,0 +1,331 @@
 package main
 import (
 	"bufio"
 	"fmt"
 	"strings"
 	aoc "go.sour.is/advent-of-code"
 )
 // var log = aoc.Log
 func main() { aoc.MustResult(aoc.Runner(run)) }
 type result struct {
 	valuePT1 int
 	valuePT2 int
 }
 func (r result) String() string { return fmt.Sprintf("%#v", r) }
 func run(scan *bufio.Scanner) (*result, error) {
 	m := &Path{s: -1}
 	for scan.Scan() {
 		text := scan.Text()
 		_ = text
 		m.readLine(text)
 	}
 	dist := m.buildPath()
 	// log(m)
 	r := &Region{List: m.List, w: m.w, l: len(m.m)}
 	count := r.Count()
 	return &result{valuePT1: dist, valuePT2: count}, nil
 }
 type node struct {
 	value  rune
 	pos    int
 	whence int8
 	left   *node
 }
 func (n *node) add(a *node) *node {
 	if a == nil {
 		return n
 	}
 	n.left = a
 	return a
 }
 func (n *node) String() string {
 	if n == nil {
 		return "EOL"
 	}
 	return fmt.Sprintf("node %s from %s", string(n.value), enum(n.whence))
 }
 type List struct {
 	head *node
 	n    *node
 	p    map[int]*node
 }
 func NewList(a *node) *List {
 	lis := &List{
 		head: a,
 		n:    a,
 		p:    make(map[int]*node),
 	}
 	lis.add(a)
 	return lis
 }
 func (l *List) add(a *node) {
 	l.n = l.n.add(a)
 	l.p[a.pos] = a
 }
 type Path struct {
 	m []rune
 	w int
 	s int
 	*List
 }
 func (m *Path) String() string {
 	var buf strings.Builder
 	n := m.head
 	buf.WriteString(fmt.Sprintf("head %d", len(m.p)))
 	for n != nil {
 		buf.WriteString("\n ")
 		buf.WriteString(n.String())
 		n = n.left
 	}
 	return buf.String()
 }
 func (m *Path) readLine(text string) {
 	if m.w == 0 {
 		m.w = len(text)
 	}
 	if m.s == -1 {
 		if i := strings.IndexRune(text, 'S'); i != -1 {
 			m.s = i + len(m.m)
 		}
 	}
 	m.m = append(m.m, []rune(text)...)
 }
 func (m *Path) buildPath() int {
 	m.start()
 	for m.next() {
 	}
 	return (len(m.p) + 1) / 2
 }
 func (m *Path) start() {
 	m.List = NewList(&node{value: 'S', pos: m.s})
 	switch {
 	case m.peek(UP) != nil:
 		m.add(m.peek(UP))
 	case m.peek(DN) != nil:
 		m.add(m.peek(DN))
 	case m.peek(LF) != nil:
 		m.add(m.peek(LF))
 	case m.peek(RT) != nil:
 		m.add(m.peek(RT))
 	}
 }
 func (m *Path) next() bool {
 	var n *node
 	switch m.n.value {
 	case '7':
 		if m.n.whence == LF {
 			n = m.peek(DN)
 		} else {
 			n = m.peek(LF)
 		}
 	case '|':
 		if m.n.whence == UP {
 			n = m.peek(DN)
 		} else {
 			n = m.peek(UP)
 		}
 	case 'F':
 		if m.n.whence == RT {
 			n = m.peek(DN)
 		} else {
 			n = m.peek(RT)
 		}
 	case '-':
 		if m.n.whence == LF {
 			n = m.peek(RT)
 		} else {
 			n = m.peek(LF)
 		}
 	case 'J':
 		if m.n.whence == LF {
 			n = m.peek(UP)
 		} else {
 			n = m.peek(LF)
 		}
 	case 'L':
 		if m.n.whence == RT {
 			n = m.peek(UP)
 		} else {
 			n = m.peek(RT)
 		}
 	}
 	if n == nil {
 		return false
 	}
 	if n.value == 'S' {
 		last := n.whence
 		next := m.head.left.whence
 		switch last<<4 | next {
 		case UP<<4 | UP, DN<<4 | DN:
 			m.head.value = '|' // UP UP, DN DN
 		case LF<<4 | LF, RT<<4 | RT:
 			m.head.value = '-' // LF LF, RT RT
 		case UP<<4 | RT, LF<<4 | DN:
 			m.head.value = 'J' // UP RT, LT DN
 		case UP<<4 | LF, RT<<4 | DN:
 			m.head.value = 'L' // UP RT, RT DN
 		case DN<<4 | RT, LF<<4 | UP:
 			m.head.value = '7' // DN LF, LF UP
 		case RT<<4 | UP, DN<<4 | LF:
 			m.head.value = 'F' // DN LF, RT UP
 		}
 		return false
 	}
 	m.add(n)
 	return true
 }
 const (
 	ST int8 = iota
 	UP
 	DN
 	LF
 	RT
 )
 func enum(e int8) string {
 	switch e {
 	case ST:
 		return "ST"
 	case UP:
 		return "UP"
 	case DN:
 		return "DN"
 	case LF:
 		return "LF"
 	case RT:
 		return "RT"
 	default:
 		return "XX"
 	}
 }
 func (m *Path) peek(d int8) *node {
 	switch d {
 	case UP:
 		x, y := toXY(m.n.pos, m.w)
 		if y == 0 {
 			return nil
 		}
 		p := fromXY(x, y-1, m.w)
 		r := m.m[p]
 		if any(r, '7', '|', 'F', 'S') {
 			return &node{value: r, whence: DN, pos: p}
 		}
 	case DN:
 		x, y := toXY(m.n.pos, m.w)
 		if y == m.w {
 			return nil
 		}
 		p := fromXY(x, y+1, m.w)
 		r := m.m[p]
 		if any(r, 'J', '|', 'L', 'S') {
 			return &node{value: r, whence: UP, pos: p}
 		}
 	case LF:
 		x, y := toXY(m.n.pos, m.w)
 		if x == 0 {
 			return nil
 		}
 		p := fromXY(x-1, y, m.w)
 		r := m.m[p]
 		if any(r, 'F', '-', 'L', 'S') {
 			return &node{value: r, whence: RT, pos: p}
 		}
 	case RT:
 		x, y := toXY(m.n.pos, m.w)
 		if x == m.w {
 			return nil
 		}
 		p := fromXY(x+1, y, m.w)
 		r := m.m[p]
 		if any(r, '7', '-', 'J', 'S') {
 			return &node{value: r, whence: LF, pos: p}
 		}
 	}
 	return nil
 }
 func fromXY(x, y, w int) int { return y*w + x }
 func toXY(i, w int) (int, int) {
 	return i % w, i / w
 }
 func any[T comparable](n T, stack ...T) bool {
 	var found bool
 	for _, s := range stack {
 		if n == s {
 			found = true
 			break
 		}
 	}
 	return found
 }
 type Region struct {
 	*List
 	inLoop bool
 	count  int
 	w      int
 	l      int
 }
 func (r *Region) Count() int {
 	for i := 0; i < r.l; i++ {
 		if i%r.w == 0 {
 			r.inLoop = false
 			// fmt.Println(": ", i)
 		}
 		a, ok := r.p[i]
 		if ok && any(a.value, '|', '7', 'F', 'X') {
 			r.inLoop = !r.inLoop
 			// fmt.Print(string(a.value))
 			continue
 		}
 		if !ok && r.inLoop {
 			// fmt.Print("I")
 			r.count++
 			continue
 		}
 		if ok {
 			// fmt.Print(string(a.value))
 			continue
 		}
 		// fmt.Print(".")
 	}
 	return r.count
 }
@@ -0,0 +1,110 @@
 package main
 import (
 	"bufio"
 	"bytes"
 	_ "embed"
 	"testing"
 	"github.com/matryer/is"
 )
 //go:embed example1.txt
 var example1 []byte
 //go:embed example2.txt
 var example2 []byte
 //go:embed example3.txt
 var example3 []byte
 //go:embed example4.txt
 var example4 []byte
 //go:embed example5.txt
 var example5 []byte
 //go:embed input.txt
 var input []byte
 func TestExample1(t *testing.T) {
 	is := is.New(t)
 	scan := bufio.NewScanner(bytes.NewReader(example1))
 	result, err := run(scan)
 	is.NoErr(err)
 	// t.Log(result.valuePT1)
 	is.Equal(result.valuePT1, 4)
 }
 func TestExample2(t *testing.T) {
 	is := is.New(t)
 	scan := bufio.NewScanner(bytes.NewReader(example2))
 	result, err := run(scan)
 	is.NoErr(err)
 	// t.Log(result.valuePT1)
 	is.Equal(result.valuePT1, 8)
 }
 func TestExample3(t *testing.T) {
 	is := is.New(t)
 	scan := bufio.NewScanner(bytes.NewReader(example3))
 	result, err := run(scan)
 	is.NoErr(err)
 	// t.Log(result.valuePT1)
 	is.Equal(result.valuePT1, 23)
 	// t.Log(result.valuePT2)
 	is.Equal(result.valuePT2, 4)
 }
 func TestExample4(t *testing.T) {
 	is := is.New(t)
 	scan := bufio.NewScanner(bytes.NewReader(example4))
 	result, err := run(scan)
 	is.NoErr(err)
 	// t.Log(result.valuePT1)
 	is.Equal(result.valuePT1, 70)
 	// t.Log(result.valuePT2)
 	is.Equal(result.valuePT2, 8)
 }
 func TestExample5(t *testing.T) {
 	is := is.New(t)
 	scan := bufio.NewScanner(bytes.NewReader(example5))
 	result, err := run(scan)
 	is.NoErr(err)
 	// t.Log(result.valuePT1)
 	is.Equal(result.valuePT1, 80)
 	// t.Log(result.valuePT2)
 	is.Equal(result.valuePT2, 10)
 }
 func TestInput(t *testing.T) {
 	is := is.New(t)
 	scan := bufio.NewScanner(bytes.NewReader(input))
 	result, err := run(scan)
 	is.NoErr(err)
 	// t.Log(result.valuePT1)
 	is.True(result.valuePT1 != 51)
 	is.Equal(result.valuePT1, 6649)
 	t.Log(result.valuePT2)
 	is.True(result.valuePT2 != 0)
 	is.Equal(result.valuePT2, 601)
 }
 // first: 51 false
@@ -0,0 +1,10 @@
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@@ -0,0 +1,197 @@
 package main
 import (
 	"bufio"
 	_ "embed"
 	"fmt"
 	"sort"
 	"strings"
 	aoc "go.sour.is/advent-of-code"
 )
 // var log = aoc.Log
 func main() { aoc.MustResult(aoc.Runner(run)) }
 type result struct {
 	valuePT1 int
 	valuePT2 int
 }
 func (r result) String() string { return fmt.Sprintf("%#v", r) }
 func run(scan *bufio.Scanner) (*result, error) {
 	m := NewMap()
 	for scan.Scan() {
 		text := scan.Text()
 		m.readLine(text)
 	}
 	return &result{
 		valuePT1: m.expand(1).sumPaths(),
 		valuePT2: m.expand(999_999).sumPaths(),
 	}, nil
 }
 type Map struct {
 	rows int
 	cols int
 	emptyRows map[int]bool
 	emptyCols map[int]bool
 	*aoc.List[rune]
 }
 func NewMap() *Map {
 	return &Map{
 		emptyRows: make(map[int]bool),
 		emptyCols: make(map[int]bool),
 		List:      aoc.NewList[rune](nil),
 	}
 }
 func (m *Map) String() string {
 	buf := &strings.Builder{}
 	fmt.Fprintf(buf, "Map size %d x %d\n", m.rows, m.cols)
 	fmt.Fprintln(buf, "empty rows:", all(m.emptyRows))
 	fmt.Fprintln(buf, "empty cols:", all(m.emptyCols))
 	n := m.Head()
 	for n != nil {
 		fmt.Fprintln(buf, toXY(n.Position(), m.cols), n.String())
 		n = n.Next()
 	}
 	for row := 0; row < m.rows; row++ {
 		for col := 0; col < m.cols; col++ {
 			if n := m.getRC(row, col); n != nil {
 				buf.WriteRune('#')
 			} else {
 				buf.WriteRune('.')
 			}
 		}
 		buf.WriteRune('\n')
 	}
 	return buf.String()
 }
 func (m *Map) readLine(text string) {
 	if m.cols == 0 {
 		m.cols = len(text)
 	}
 	emptyRow, ok := m.emptyRows[m.rows]
 	if !ok {
 		emptyRow = true
 	}
 	row := []rune(text)
 	for col, r := range row {
 		emptyCol, ok := m.emptyCols[col]
 		if !ok {
 			emptyCol = true
 		}
 		if r == '#' {
 			m.Add(r, fromXY(col, m.rows, m.cols))
 			emptyCol = false
 			emptyRow = false
 		}
 		m.emptyRows[m.rows] = emptyRow
 		m.emptyCols[col] = emptyCol
 	}
 	m.rows++
 }
 func (m *Map) getRC(row, col int) *aoc.Node[rune] {
 	return m.List.Get(fromXY(col, row, m.cols))
 }
 func (m *Map) expand(rate int) *Map {
 	newM := NewMap()
 	newM.rows = m.rows + rate*len(all(m.emptyRows))
 	newM.cols = m.cols + rate*len(all(m.emptyCols))
 	offsetC := 0
 	for col := 0; col < m.cols; col++ {
 		if empty, ok := m.emptyCols[col]; ok && empty {
 			for r := 0; r <= rate; r++ {
 				newM.emptyCols[offsetC+col+r] = true
 			}
 			offsetC += rate
 			continue
 		}
 	}
 	offsetR := 0
 	for row := 0; row < m.rows; row++ {
 		if empty, ok := m.emptyRows[row]; ok && empty {
 			for r := 0; r <= rate; r++ {
 				newM.emptyRows[offsetR+row+r] = true
 			}
 			offsetR += rate
 			continue
 		}
 		offsetC := 0
 		for col := 0; col < m.cols; col++ {
 			if empty, ok := m.emptyCols[col]; ok && empty {
 				offsetC += rate
 				continue
 			}
 			if n := m.getRC(row, col); n != nil {
 				newM.Add('#', fromXY(offsetC+col, offsetR+row, newM.cols))
 			}
 		}
 	}
 	return newM
 }
 func (m *Map) sumPaths() int {
 	var positions []int
 	n := m.Head()
 	for n != nil {
 		positions = append(positions, n.Position())
 		n = n.Next()
 	}
 	var paths []int
 	for i := 0; i < len(positions); i++ {
 		p := positions[i]
 		pXY := toXY(p, m.cols)
 		for j := i; j < len(positions); j++ {
 			c := positions[j]
 			if c == p {
 				continue
 			}
 			cXY := toXY(c, m.cols)
 			path := aoc.ABS(cXY[0]-pXY[0]) + aoc.ABS(cXY[1]-pXY[1])
 			paths = append(paths, path)
 		}
 	}
 	return aoc.Sum(paths...)
 }
 func all(m map[int]bool) []int {
 	lis := make([]int, 0, len(m))
 	for k, v := range m {
 		if v {
 			lis = append(lis, k)
 		}
 	}
 	sort.Ints(lis)
 	return lis
 }
 func fromXY(x, y, w int) int { return y*w + x }
 func toXY(i, w int) [2]int   { return [2]int{i % w, i / w} }
@@ -0,0 +1,41 @@
 package main
 import (
 	"bufio"
 	"bytes"
 	"testing"
 	_ "embed"
 	"github.com/matryer/is"
 )
 //go:embed example.txt
 var example []byte
 //go:embed input.txt
 var input []byte
 func TestExample(t *testing.T) {
 	is := is.New(t)
 	scan := bufio.NewScanner(bytes.NewReader(example))
 	result, err := run(scan)
 	is.NoErr(err)
 	t.Log(result)
 	is.Equal(result.valuePT1, 374)
 	is.Equal(result.valuePT2, 82000210)
 }
 func TestSolution(t *testing.T) {
 	is := is.New(t)
 	scan := bufio.NewScanner(bytes.NewReader(input))
 	result, err := run(scan)
 	is.NoErr(err)
 	t.Log(result)
 	is.Equal(result.valuePT1, 9627977)
 	is.Equal(result.valuePT2, 644248339497)
 }
@@ -0,0 +1,6 @@
 ???.### 1,1,3
 .??..??...?##. 1,1,3
 ?#?#?#?#?#?#?#? 1,3,1,6
 ????.#...#... 4,1,1
 ????.######..#####. 1,6,5
 ?###???????? 3,2,1
@@ -0,0 +1,1000 @@
 ?#.??????#??#?#?#?#? 1,1,15
 .???#??.????#?? 6,5
 ???????#?#?#?#??#?? 1,1,6,1,1,2
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 ???#???????#??#.??? 1,12
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 ??#??.#??.? 5,2,1
 ?.???.??.???#? 3,1,1,1
 ???.???.??????#??? 2,6
 ??.?##??#???## 7,2
 ??.????#??.??#? 5,3
 #??####???????.? 12,1
 ?.???#??#?#?#?# 2,10
 ???.?????#???. 1,1,9
 ??.???##????#?#? 1,10,1
 ???.???.???#.. 3,4
 .?#?.??#?#...????#.? 2,2,1,3,1
 .????#?.?????#?# 1,3,2,4
 ???##????????????#?? 5,11
 ?##?????#??????? 6,2,1,1
 ??#.????#?#??#? 1,6,1
 ???????.?#? 1,3,2
 ???#???.??##?#?. 1,2,2,4
 #????##???.???.. 10,2
 ##.??????. 2,1,3
 .??????.???.??.#??# 1,3,1,2,2,1
 #?.???####??#?#??. 1,11
 ????#?????#?.? 3,5
 ??????#???#??.??? 1,5,3,1,2
 ..???.??##??#???. 3,2,2,1
 #?#.#?????#??#??# 3,10,1
 .???##?##?????#?.. 5,9
 ?????#????#.? 1,4,1
 ###??#???#? 3,1,2
 ?.?????#?#????#?? 1,14
 ?#??#???????#?????#? 1,1,1,2,5,2
 ???#????.?.? 2,2
 ???##????##????? 11,2
 ??#.???.?. 3,2
 ??##??##??.#??. 8,1,1
 ??.?????#?? 1,2,1
 .#?#.#??????..#. 3,1,1,1,1
 ???####?#.???#?#. 1,4,1,1,4
 #?????##?#..???? 1,6,1,1,1
 .#?????.?? 1,1,1
 ???#?#???#?#?#.#??#? 6,1,1,3,4
 .???##??????##.?? 3,5
 ##???#??.???????## 3,2,1,1,1,2
 ?..##?????? 1,2,3
 ????##??.?##??.???? 4,4,3
 ##?#?.?.?.??.? 2,1,1,2
 ?..??.#?.???#. 2,1,1,1
 ??????.?#???? 1,1,4
 ????.?????#????? 1,9
 .???#??#????#???? 1,10,1
 ?.?#?.?.???#?.???# 1,1,2,2,3
 #???..?#.#.#?#?.?? 1,2,2,1,4,1
 ??????.?.??????? 2,2,1,1,1
 ?####?#.##?.?#?. 5,1,3,1
 .?????#??? 1,5
 ??.#???#.??# 2,2,2,2
 ??#????..???# 2,1,4
 ????.?#???#?? 2,2,2
 #?#??#?##?#.???.? 1,9,1,1
 #??????????###?? 1,1,2,1,5
 .?????##??..?# 6,2
 ..#?????#???.#?.??? 2,4,1,1
 ??.???#??#?????# 1,2,10
 ??#???????.#? 3,2,1,2
 ?????????.???#?? 2,1,3
 ?#?.???????#???.#? 1,1,7,1,1
 ????.??#?.?.? 1,4
 ###?????#???????.? 6,1,1,4,1
 ????.##???. 1,2,1
 ??.?????.# 1,1,1
 .??.???.?? 1,1,1
 ???#????????.##?.?? 1,2,5,1,3,1
 ???????.??????? 1,1,1,2,1
 ??#.????.. 3,1
 .??##????#.#???? 9,2,1
 ???#.???#???#??. 1,1,1,7
 ??????.#??.? 1,1,1,1
 ?##..??###??#?#?..? 2,1,9
 ??.??#.###???# 1,2,4,2
 ????????##. 2,4
 ??##.???#??? 3,6
 ?????#.?#???? 2,2,5
 #???.??.??#.# 3,1,1,1
 .??..##.??. 1,2,1
 ???#.???????? 2,1,1,2
 ????#?.?#?#? 1,2,2,2
 ???????.?.??#???. 5,5
 ???#??????#??#???? 1,2,1,2,3
 ?#.?..???#??#??.???. 2,1,9,1,1
 ????.#?#.???? 2,1,3,1
 #.??##???..#? 1,6,1
 ?????#???????## 8,2
 ??.??..?#???.?? 1,1,2,1,1
 ????.##???.?.?##? 2,5,1,4
 ?#?#?..?????#?? 1,1,5
 ?##??????#?? 2,4
 #.?????#??.##????.# 1,5,1,5,1
 ?##?.???.? 3,2
 ?##?#????#???.??? 12,1
 ?..?????## 1,7
 ?#?#??????#?? 1,9
 ?.#??##???.????? 1,4,3,1
 ?###??????? 3,1,2
 ??????.??. 1,1
 ???.??#??#??#?.#. 2,5,2,1
 ?.??????.? 2,1
 .?#???????????? 2,3,1,2,1
 .??.?.??????? 2,1
 .?#.???#?????#??.? 1,9
 ??????#??.# 5,2,1
@@ -0,0 +1,187 @@
 package main
 import (
 	"bufio"
 	_ "embed"
 	"fmt"
 	"slices"
 	"strings"
 	aoc "go.sour.is/advent-of-code"
 )
 // var log = aoc.Log
 func main() { aoc.MustResult(aoc.Runner(run)) }
 type result struct {
 	valuePT1 int
 	valuePT2 int
 }
 func (r result) String() string { return fmt.Sprintf("%#v", r) }
 func run(scan *bufio.Scanner) (*result, error) {
 	var matches []int
 	var matches2 []int
 	for scan.Scan() {
 		text := scan.Text()
 		status, text, ok := strings.Cut(text, " ")
 		if !ok {
 			continue
 		}
 		// part 1 - brute force
 		grouping := aoc.SliceMap(aoc.Atoi, strings.Split(text, ",")...)
 		pattern := []rune(status)
 		// sp := spring{pattern: pattern, grouping: grouping, missingNo: countQuestion(pattern)}
 		// matches = append(matches, sp.findMatches())
 		matches = append(matches, countPossible(pattern, grouping))
 		// part 2 - NFA
 		b, a := status, text
 		bn, an := "", ""
 		for i := 0; i < 5; i++ {
 			bn, an = bn+b+"?", an+a+","
 		}
 		b, a = strings.TrimSuffix(bn, "?"), strings.TrimSuffix(an, ",")
 		matches2 = append(matches2, countPossible([]rune(b), aoc.SliceMap(aoc.Atoi, strings.Split(a, ",")...)))
 	}
 	return &result{valuePT1: aoc.Sum(matches...), valuePT2: aoc.Sum(matches2...)}, nil
 }
 type spring struct {
 	pattern   []rune
 	grouping  []int
 	missingNo int
 }
 func (s *spring) findMatches() int {
 	matches := 0
 	for _, pattern := range s.genPatterns() {
 		pattern := []rune(pattern)
 		target := make([]rune, len(s.pattern))
 		i := 0
 		for j, r := range s.pattern {
 			if r == '?' {
 				target[j] = pattern[i]
 				i++
 				continue
 			}
 			target[j] = r
 		}
 		if slices.Equal(countGroupings(target), s.grouping) {
 			matches++
 		}
 	}
 	return matches
 }
 func (s *spring) genPatterns() []string {
 	buf := &strings.Builder{}
 	combinations := aoc.Power2(s.missingNo)
 	lis := make([]string, 0, combinations)
 	for i := 0; i < combinations; i++ {
 		for b := 0; b < s.missingNo; b++ {
 			if i>>b&0b1 == 1 {
 				buf.WriteRune('#')
 			} else {
 				buf.WriteRune('.')
 			}
 		}
 		lis = append(lis, buf.String())
 		buf.Reset()
 	}
 	return lis
 }
 func countPossible(s []rune, c []int) int {
 	pos := 0
 	cstates := map[state]int{{}: 1} // current state
 	nstates := map[state]int{}      // next state
 	for len(cstates) > 0 {
 		for st, num := range cstates {
 			si, ci, cc, expdot := st.springIndex, st.groupIndex, st.continuous, st.expectDot
 			// have we reached the end?
 			if si == len(s) {
 				if ci == len(c) {
 					pos += num
 				}
 				continue
 			}
 			switch {
 			case (s[si] == '#' || s[si] == '?') && ci < len(c) && !expdot:
 				// we are still looking for broken springs
 				if s[si] == '?' && cc == 0 {
 					// we are not in a run of broken springs, so ? can be working
 					nstates[state{si + 1, ci, cc, expdot}] += num
 				}
 				cc++
 				if cc == c[ci] {
 					// we've found the full next contiguous section of broken springs
 					ci++
 					cc = 0
 					expdot = true // we only want a working spring next
 				}
 				nstates[state{si + 1, ci, cc, expdot}] += num
 			case (s[si] == '.' || s[si] == '?') && cc == 0:
 				// we are not in a contiguous run of broken springs
 				expdot = false
 				nstates[state{si + 1, ci, cc, expdot}] += num
 			}
 		}
 		// swap and clear previous states
 		cstates, nstates = nstates, cstates
 		clear(nstates)
 	}
 	return pos
 }
 type state struct {
 	springIndex int
 	groupIndex  int
 	continuous  int
 	expectDot   bool
 }
 func countQuestion(pattern []rune) int {
 	count := 0
 	for _, r := range pattern {
 		if r == '?' {
 			count++
 		}
 	}
 	return count
 }
 func countGroupings(pattern []rune) []int {
 	var groupings []int
 	inGroup := false
 	for _, r := range pattern {
 		if r == '#' {
 			if !inGroup {
 				groupings = append(groupings, 0)
 			}
 			inGroup = true
 			groupings[len(groupings)-1]++
 		}
 		if inGroup && r != '#' {
 			inGroup = false
 		}
 	}
 	return groupings
 }
@@ -0,0 +1,70 @@
 package main
 import (
 	"bufio"
 	"bytes"
 	"testing"
 	_ "embed"
 	aoc "go.sour.is/advent-of-code"
 	"github.com/matryer/is"
 )
 //go:embed example.txt
 var example []byte
 //go:embed input.txt
 var input []byte
 func TestExample(t *testing.T) {
 	is := is.New(t)
 	scan := bufio.NewScanner(bytes.NewReader(example))
 	result, err := run(scan)
 	is.NoErr(err)
 	t.Log(result)
 	is.Equal(result.valuePT1, 21)
 	is.Equal(result.valuePT2, 525152)
 }
 func TestSolution(t *testing.T) {
 	is := is.New(t)
 	scan := bufio.NewScanner(bytes.NewReader(input))
 	result, err := run(scan)
 	is.NoErr(err)
 	t.Log(result)
 	is.Equal(result.valuePT1, 8193)
 	is.Equal(result.valuePT2, 45322533163795)
 }
 func TestPower2(t *testing.T) {
 	is := is.New(t)
 	is.Equal(aoc.Power2(1), 2)
 	is.Equal(aoc.Power2(2), 4)
 	is.Equal(aoc.Power2(3), 8)
 	is.Equal(aoc.Power2(4), 16)
 	is.Equal(aoc.Power2(5), 32)
 	is.Equal(aoc.Power2(6), 64)
 }
 func TestCountGroupings(t *testing.T) {
 	is := is.New(t)
 	is.Equal([]int{1, 3, 1}, countGroupings([]rune(".#.###.#")))
 	is.Equal([]int{1, 3, 1}, countGroupings([]rune(".#.###...#.")))
 	is.Equal([]int{1, 3, 1}, countGroupings([]rune("#.###...#.")))
 }
 func TestCombination(t *testing.T) {
 	s := spring{
 		pattern:   []rune("???"),
 		grouping:  []int{1},
 		missingNo: 3,
 	}
 	s.findMatches()
 }
@@ -0,0 +1,15 @@
 #.##..##.
 ..#.##.#.
 ##......#
 ##......#
 ..#.##.#.
 ..##..##.
 #.#.##.#.
 #...##..#
 #....#..#
 ..##..###
 #####.##.
 #####.##.
 ..##..###
 #....#..#
@@ -0,0 +1,7 @@
 #.##..##.
 ..#.##.#.
 ##......#
 ##......#
 ..#.##.#.
 ..##..##.
 #.#.##.#.
@@ -0,0 +1,11 @@
 ##.#.##.#
 ...#..#..
 .##...#..
 .##...#..
 .#.#..#..
 ##.#.##.#
 .#...####
 ..#.#..##
 ...#...##
 .#....#.#
 .#....#.#
@@ -0,0 +1,179 @@
 package main
 import (
 	"bufio"
 	_ "embed"
 	"fmt"
 	"strings"
 	aoc "go.sour.is/advent-of-code"
 )
 var log = aoc.Log
 func main() { aoc.MustResult(aoc.Runner(run)) }
 type result struct {
 	valuePT1 int
 	valuePT2 int
 }
 func (r result) String() string { return fmt.Sprintf("%#v", r) }
 func run(scan *bufio.Scanner) (*result, error) {
 	maps := []Map{}
 	m := Map{}
 	r := &result{}
 	for scan.Scan() {
 		text := scan.Text()
 		if text == "" {
 			maps = append(maps, m)
 			m = Map{}
 		} else {
 			m = append(m, []rune(text))
 		}
 	}
 	maps = append(maps, m)
 	for _, m := range maps {
 		sum, sum2 := findSmudge(m)
 		if sum == -1 || sum2 == -1 {
 			mr := Map(aoc.Transpose(m))
 			Hsum, Hsum2 := findSmudge(mr)
 			if sum2 == -1 {
 				sum2 = Hsum2 * 100
 			}
 			if sum == -1 {
 				sum = Hsum * 100
 			}
 		}
 		r.valuePT1 += sum
 		r.valuePT2 += sum2
 	}
 	return r, nil
 }
 type Map [][]rune
 func (m Map) String() string {
 	var buf strings.Builder
 	for i, row := range m {
 		if i == 0 {
 			fmt.Fprint(&buf, "   ")
 			for j := range row {
 				fmt.Fprintf(&buf, "%d", j)
 			}
 			fmt.Fprint(&buf, "\n")
 		}
 		fmt.Fprintf(&buf, "%d ", i)
 		buf.WriteRune(' ')
 		buf.WriteString(string(row))
 		buf.WriteRune('\n')
 	}
 	buf.WriteRune('\n')
 	return buf.String()
 }
 // func findReflection(m Map) (int, bool) {
 // 	candidates := make(map[int]bool)
 // 	var candidateList []int
 // 	for _, row := range m {
 // 		for col := 1; col < len(row); col++ {
 // 			if v, ok := candidates[col]; !ok || v {
 // 				candidates[col], _ = reflects(row[:col], row[col:])
 // 			}
 // 		}
 // 		candidateList = all(candidates)
 // 		if len(candidateList) == 0 {
 // 			return 0, false
 // 		}
 // 	}
 // 	if len(candidateList) == 1 {
 // 		return candidateList[0], true
 // 	}
 // 	return 0, false
 // }
 type level struct {
 	blips  int
 	nequal int
 	fail   bool
 }
 func findSmudge(m Map) (int, int) {
 	candidates := make(map[int]level)
 	for _, row := range m {
 		for col := 1; col < len(row); col++ {
 			candidate := candidates[col]
 			if candidate.fail {
 				continue
 			}
 			eq, bl := reflects(row[:col], row[col:])
 			if !eq {
 				candidate.nequal++
 			}
 			candidate.blips += bl
 			if candidate.nequal > 1 || candidate.blips > 1 {
 				candidate.fail = true
 			}
 			candidates[col] = candidate
 		}
 	}
 	a, b := -1, -1
 	for i, cand := range candidates {
 		if !cand.fail && cand.blips == 1 {
 			b = i
 		}
 		if !cand.fail && cand.blips == 0 {
 			a = i
 		}
 	}
 	return a, b
 }
 func reflects(a, b []rune) (bool, int) {
 	c := min(len(a), len(b))
 	a = append([]rune{}, a...)
 	b = append([]rune{}, b...)
 	aoc.Reverse(a)
 	a = a[:c]
 	b = b[:c]
 	blips := 0
 	for i := range a {
 		if a[i] != b[i] {
 			blips++
 		}
 	}
 	return blips == 0, blips
 }
 func all[T comparable](m map[T]bool) []T {
 	lis := make([]T, 0, len(m))
 	for k, v := range m {
 		if v {
 			lis = append(lis, k)
 		}
 	}
 	return lis
 }
@@ -0,0 +1,42 @@
 package main
 import (
 	"bufio"
 	"bytes"
 	"testing"
 	_ "embed"
 	"github.com/matryer/is"
 )
 //go:embed example.txt
 var example []byte
 //go:embed input.txt
 var input []byte
 func TestExample(t *testing.T) {
 	is := is.New(t)
 	scan := bufio.NewScanner(bytes.NewReader(example))
 	result, err := run(scan)
 	is.NoErr(err)
 	t.Log(result)
 	is.Equal(result.valuePT1, 405)
 	is.Equal(result.valuePT2, 400)
 }
 func TestSolution(t *testing.T) {
 	is := is.New(t)
 	scan := bufio.NewScanner(bytes.NewReader(input))
 	result, err := run(scan)
 	is.NoErr(err)
 	t.Log(result)
 	is.True(result.valuePT1 > 1704) // attempt 1
 	is.Equal(result.valuePT1, 30705)
 	is.Equal(result.valuePT2, 44615)
 }
@@ -0,0 +1,10 @@
 O....#....
 O.OO#....#
 .....##...
 OO.#O....O
 .O.....O#.
 O.#..O.#.#
 ..O..#O..O
 .......O..
 #....###..
 #OO..#....
@@ -0,0 +1,100 @@
 ...#.O.#.#.O.O....#...O....#..#........OO.O#...O..O#O#.......O.O....O.....#...OO#.O....OOO..OO#..#..
 .##.....#.OOO.OO#...O.......O#..O.##OO.O.......O##....O....#O..O..#.#....#OO..#...O.O#.#...#....#O.O
 O...##.O.O.O.O..#.#.....#O....#..#O..O...O..OO..O...##.......OO#..OOO..#O..#.O#.O......#..#O..O..O.O
 ..OO....OOO....O.O..OOO.....O........#...O.O.O.O..O#.O...O..#.#O........O.....#O...##....#...#.#....
 ##.O.O#..O..##O.....O.#.....O.O#O.O..#...#...OO.##OOO...OO#...O...O........O.#.O.........#O.#...#.#.
 .#.O.O.....#..O###..O#.#..O....O.O....#...##.O..O.OOO..O.O..O#.O..O....#.#.O..#..##O...O....#O#.....
 .......O...##..O..O##..##...O....###.O.#.#.O......O...O.O......#O.....#..O..O#..##O.O#O##O....O#....
 .#O..#....##.##..O#..#..#..O........OO....#..##.O.#.O.O..OO.O.O#..#O##O......OO...O...OO...#....OO..
 #.....O#......O#.....#..O...#O..OO..OO.#O...O...O.........O...#O...O.....#.....#...#.....O##.O.....O
 OO.O..O...O......#.O......#O....#..#.#...O.O....O.#.O#...O........O......#.#O#.O...O.........#O....O
 O.O..O..#......O.O.OO...OO..##.....OO.....#.O...O.#.#...OO..OO.O.........#O..#.O...O#.#..O..OO.##O..
 ..#.......O....#...#....##..O.O......O....O#.O..O..#.#.O#O.O.#...#.##.....O...O.O...O.#...O...O.#...
 .O...#..O.....O.O.....OO.O.O.......O..O..........#...O..O..O......O....#OOO...O#O...#.O#........O...
 .OO#....#.....O...#.###..#..O..O.....#O..#..OO...OOO#.O#..O#O........#..#.O..OOO#O#..O..OO........#.
 ..O.....#..#..O.............#..O.O..O#.......#.O.........O.#..OO.O..#..##..O.O#O....OO.O.O.O.....O#.
 ........#O..O#OO...#.##O.O....O...O..........##.#O..O......O..O.#...#O.O.OO...#.#OOO.#...O#....#.O.#
 .....O.O...#OO#.OO#......#..O.O..#.OO.......#...#.O.O#.O.#O.O#..#O##..OO...#......#.O....#.....O.#O.
 .O#OOOO...#.#..........O#.#.#.#.O....O..O...O...OOO.O.O.O..OO..O..O#.#...#....#...#O#.OO.O..#.O#....
 OO#OO..#.O.#....#..#.#..#O#.O#O#.#..O.O....#..O...OO..O..#........#.O...O#.#.....#....O.....#.O.....
 .O.....#...OO...#..O..#..O..O##..OO...O....#.O.#............###.O.#..O..O.........O..#.O..O.#OO.#...
 .##O.#.O.#....O..O..#..O.#.O..##O..O......OO...#...O..OO#....O..O#O.##.OO#...O#...#.......O.O#.#OO..
 .OO#O#...O..##.O......O..O.O....O...OOO.O..#...O#.#.O.OOO..#...#.##..OO..................OOOOO...###
 .#..##...####.O#...O........O...#O..O..O....O##O..O..OO..#.....#...O.....OO......OOO.#..O.##OO##...#
 ....O#........O##.O...O#..#.O#O...O...O.O........#..#.#.O......O..#.....#.O..#.#..#..#O....O##...#..
 .O..OO.O##..O...O.OO....O.OOO..#O#.O##......O.O#....O#O.O......#.O..#O..#O.........#..OO....#.OO..O.
 .#OO..#OO.###........#...#..#.O..#O.O#O...O.#.....O...#......O.......#.O.#.##.O..#O.O###OOOO...#..O.
 ##...OOO.#..........O#...O#.....OO...O#..OO.OO.#.OOO..OO....O..OOO...##O...O.........##O...#.#O.....
 .#....O.....#OO.O.OO..O......#.OO..#O...O..##O.#O....#O.OO..#O.OO...O..O.#..##...O......#O##OO.#.O..
 .#..O....O....#......#.O.##...OO.O.O...O.OO.O....#...#..O....O#O..#...#.#..#...OO......OOO...O..#...
 #.#OO.#....O.#.OO....#........O.O.##...O.#.................OOOO....O..#......O..#.#...O....#.O#OO.#O
 ....O.O.......##..O.........OO#O..O.O#.#.#.O....#..OO.O..O#O....O..O.O......O.O.#..O.......O.O..O.O#
 ...........#OO...O....#.O.#..#O.O#.....O..O.....O#.....OO.#O...#O.#O.#.....OO.O.O....OO......O#O.O..
 OOOO.OO..O....O.O...O..#.........O#.##OOO#.O..O.O.O......O..#..O..#..#.O..O....O#O.#OO..O.O...O#.##.
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@@ -0,0 +1,157 @@
 package main
 import (
 	"bufio"
 	_ "embed"
 	"fmt"
 	"strings"
 	aoc "go.sour.is/advent-of-code"
 	"golang.org/x/exp/maps"
 )
 // var log = aoc.Log
 func main() { aoc.MustResult(aoc.Runner(run)) }
 type result struct {
 	valuePT1 int
 	valuePT2 int
 }
 func (r result) String() string { return fmt.Sprintf("%#v", r) }
 func run(scan *bufio.Scanner) (*result, error) {
 	var maplist []Map
 	var m Map
 	for scan.Scan() {
 		text := scan.Text()
 		if len(text) == 0 {
 			maplist = append(maplist, m)
 			m = Map{}
 		}
 		m = append(m, []rune(text))
 	}
 	maplist = append(maplist, m)
 	score1 := 0
 	for _, m := range maplist {
 		m = aoc.Transpose(reverse(m))
 		m.Sort()
 		score1 += m.Score()
 	}
 	score2 := 0
 	type record [5]int
 	var current record
 	memo := make(map[record]int)
 	for _, m := range maplist {
 		// fmt.Println(m)
 		m = aoc.Transpose(reverse(m))
 		for i := 0; i < 1_000_000_000; i++ {
 			m, current = cycle(m)
 			v, ok := memo[current]
 			if ok && v > 1 {
 				counts := aoc.Reduce(
 					func(i int, v int, counts [3]int) [3]int {
 						counts[v]++
 						return counts
 					}, [3]int{}, maps.Values(memo)...)
 				// fmt.Println(i, counts)
 				i = 1_000_000_000 - (1_000_000_000-counts[0]-counts[1])%counts[2]
 				clear(memo)
 			}
 			memo[current] += 1
 			// fmt.Println(i, current, v)
 		}
 		score2 += m.Score()
 	}
 	return &result{valuePT1: score1, valuePT2: score2}, nil
 }
 type Map [][]rune
 func (m Map) String() string {
 	var buf strings.Builder
 	for _, row := range m {
 		buf.WriteString(string(row))
 		buf.WriteRune('\n')
 	}
 	buf.WriteRune('\n')
 	return buf.String()
 }
 func (m *Map) Sort() {
 	if m == nil {
 		return
 	}
 	for _, row := range *m {
 		base := 0
 		for i, r := range row {
 			if r == '#' {
 				base = i + 1
 				continue
 			}
 			if r == 'O' {
 				if base < i {
 					row[base], row[i] = row[i], row[base]
 				}
 				base++
 			}
 		}
 	}
 }
 func (m *Map) Score() int {
 	if m == nil {
 		return 0
 	}
 	sum := 0
 	max := len(*m)
 	for _, row := range *m {
 		for i, r := range row {
 			if r == 'O' {
 				sum += max - i
 			}
 		}
 	}
 	return sum
 }
 func reverse(m Map) Map {
 	for _, row := range m {
 		aoc.Reverse(row)
 	}
 	return m
 }
 func cycle(m Map) (Map, [5]int) {
 	var current [5]int
 	m.Sort()
 	current[0] = m.Score()
 	m = aoc.Transpose(reverse(m))
 	m.Sort()
 	current[1] = m.Score()
 	m = aoc.Transpose(reverse(m))
 	m.Sort()
 	current[2] = m.Score()
 	m = aoc.Transpose(reverse(m))
 	m.Sort()
 	current[3] = m.Score()
 	m = aoc.Transpose(reverse(m))
 	current[4] = m.Score()
 	return m, current
 }
@@ -0,0 +1,45 @@
 package main
 import (
 	"bufio"
 	"bytes"
 	"testing"
 	_ "embed"
 	"github.com/matryer/is"
 )
 //go:embed example.txt
 var example []byte
 //go:embed input.txt
 var input []byte
 func TestExample(t *testing.T) {
 	is := is.New(t)
 	scan := bufio.NewScanner(bytes.NewReader(example))
 	result, err := run(scan)
 	is.NoErr(err)
 	t.Log(result)
 	is.Equal(result.valuePT1, 136)
 	is.Equal(result.valuePT2, 64)
 }
 func TestSolution(t *testing.T) {
 	is := is.New(t)
 	scan := bufio.NewScanner(bytes.NewReader(input))
 	result, err := run(scan)
 	is.NoErr(err)
 	t.Log(result)
 	is.True(result.valuePT2 < 87286) // first submission
 	is.True(result.valuePT2 < 87292) // second submission
 	is.True(result.valuePT2 < 87287) // third submission
 	is.Equal(result.valuePT1, 110407)
 	is.Equal(result.valuePT2, 87273)
 }
@@ -0,0 +1 @@
 rn=1,cm-,qp=3,cm=2,qp-,pc=4,ot=9,ab=5,pc-,pc=6,ot=7
@@ -0,0 +1 @@
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Line truncated
@@ -0,0 +1,136 @@
 package main
 import (
 	"bufio"
 	_ "embed"
 	"fmt"
 	"slices"
 	"strings"
 	aoc "go.sour.is/advent-of-code"
 )
 var log = aoc.Log
 func main() { aoc.MustResult(aoc.Runner(run)) }
 type result struct {
 	valuePT1 int
 	valuePT2 int
 }
 func (r result) String() string { return fmt.Sprintf("%#v", r) }
 func run(scan *bufio.Scanner) (*result, error) {
 	r := &result{}
 	var ops []string
 	for scan.Scan() {
 		text := scan.Text()
 		ops = strings.Split(text, ",")
 		r.valuePT1 = aoc.Reduce(func(i int, t string, sum int) int {
 			sum += hash(t)
 			return sum
 		}, 0, ops...)
 	}
 	var boxen boxes
 	boxen = aoc.Reduce(func(i int, op string, b boxes) boxes {
 		return b.Op(op)
 	}, boxen, ops...)
 	r.valuePT2 = boxen.Sum()
 	log(boxen)
 	return r, nil
 }
 func hash(s string) int {
 	var sum int
 	for _, a := range s {
 		sum += int(a)
 		sum *= 17
 		sum %= 256
 	}
 	return sum
 }
 type lens struct {
 	label string
 	value int
 }
 func (l lens) String() string {
 	return fmt.Sprintf("[%s %d]", l.label, l.value)
 }
 type box []lens
 func (lis box) String() string {
 	var buf strings.Builder
 	if len(lis) > 0 {
 		buf.WriteString(lis[0].String())
 	}
 	for _, l := range lis[1:] {
 		buf.WriteString(l.String())
 	}
 	return buf.String()
 }
 type boxes [256]box
 func (lis boxes) String() string {
 	var buf strings.Builder
 	buf.WriteString("Boxes:\n")
 	for i, b := range lis {
 		if len(b) > 0 {
 			fmt.Fprintf(&buf, "Box %d: %v\n", i, b)
 		}
 	}
 	return buf.String()
 }
 func (lis boxes) Op(op string) boxes {
 	if a, _, ok := strings.Cut(op, "-"); ok {
 		i := hash(a)
 		pos := slices.IndexFunc(lis[i], func(l lens) bool { return l.label == a })
 		if pos >= 0 {
 			lis[i] = append(lis[i][:pos], lis[i][pos+1:]...)
 		}
 	} else if a, b, ok := strings.Cut(op, "="); ok {
 		i := hash(a)
 		v := aoc.Atoi(b)
 		pos := slices.IndexFunc(lis[i], func(l lens) bool { return l.label == a })
 		if pos == -1 {
 			lis[i] = append(lis[i], lens{a, v})
 		} else {
 			lis[i][pos].value = v
 		}
 	}
 	return lis
 }
 func (lis boxes) Sum() int {
 	// return aoc.Reduce(func(b int, box box, sum int) int {
 	// 	return aoc.Reduce(
 	// 		func(s int, lens lens, sum int) int {
 	// 			return sum + (b+1)*(s+1)*lens.value
 	// 		}, sum, box...)
 	// 	}, 0, lis[:]...)
 	var sum int
 	for b := range lis {
 		for s := range lis[b] {
 			sum += (b + 1) * (s + 1) * lis[b][s].value
 		}
 	}
 	return sum
 }
@@ -0,0 +1,41 @@
 package main
 import (
 	"bufio"
 	"bytes"
 	"testing"
 	_ "embed"
 	"github.com/matryer/is"
 )
 //go:embed example.txt
 var example []byte
 //go:embed input.txt
 var input []byte
 func TestExample(t *testing.T) {
 	is := is.New(t)
 	scan := bufio.NewScanner(bytes.NewReader(example))
 	result, err := run(scan)
 	is.NoErr(err)
 	t.Log(result)
 	is.Equal(result.valuePT1, 1320)
 	is.Equal(result.valuePT2, 145)
 }
 func TestSolution(t *testing.T) {
 	is := is.New(t)
 	scan := bufio.NewScanner(bytes.NewReader(input))
 	result, err := run(scan)
 	is.NoErr(err)
 	t.Log(result)
 	is.Equal(result.valuePT1, 503154)
 	is.Equal(result.valuePT2, 251353)
 }
@@ -0,0 +1,10 @@
 .|...\....
 |.-.\.....
 .....|-...
 ........|.
 ..........
 .........\
 ..../.\\..
 .-.-/..|..
 .|....-|.\
 ..//.|....
@@ -0,0 +1,110 @@
 \.......................\..........................................-..................-.../................-..
 ....../.......\...-......-.|...\..............\.................|............././....-........................
 ...............-...-........................................\......\..-.............|......-....\....-........
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 ........-............/...|-............-.....\.|..............-....-../\../..................\...\././........
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 ../\.........|...............|............|.\/.-/.................-....|...-.................-.....|..../.....
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 ./.....-................/........|./....-......../......./..............\..................................\..
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 ......\....................|...../......................|.../......-..|............|......./.../.........|....
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 /.\....|.-.................................\..-.....\./.........../-.|..............\..\.....--|/....\........
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 -.-..|....-.|........-./...|.-.........\.....\/........-........\........../................./.../........\...
 ..................../...|/......................................../............\.|./../................/\|....
 ...//.........................\....../..............\../.......-..\....|......................................
 ............................./..|./../.........-/..\..........................................................
 ......\.....|..................|..................\.....\.-..\...../............................../...........
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 ...........-...........................\.......|-../.|....|.....|......................-...../................
 .......|.........\..............|....\...-......../...........-.....-..-...........-..................\...\.|.
 ...........|.......................|....-..........\............................\.................../.\.......
 ..../.................\.......-..|.................../........................|...............\...........-.|.
 ............./..|.-\..../.....-............-....|..\......|......../............-.........|................\..
 ...................\...\/......\............|......................\....|...................-./-..............
 ..-\...........|.................../.....|....|............................-..|............\.............\....
 .|.....\....\........|..................\...............|..-/.........|.-/...........-............-...........
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 ...................|.................................\.....\...........................|../.|.-......-........
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 ..|...........-..../....\.........--...\................../.............-...-....................-..../....|..
 .|...\...................|......-...........-\..........\.....|.....|..........|.........|....|-../...........
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 .......//.....................\....\......\......\.........|...................../......../.........\......-..
 .\./.........-...-./-.\.............../......|................................\|....\...../....-..............
 .......|......../......../......./.........../...............|............................../..|......../.....
 ............./.........|.....-./.........../....-......./|......-................|............................
@@ -0,0 +1,188 @@
 package main
 import (
 	"bufio"
 	_ "embed"
 	"fmt"
 	aoc "go.sour.is/advent-of-code"
 )
 // var log = aoc.Log
 func main() { aoc.MustResult(aoc.Runner(run)) }
 type result struct {
 	valuePT1 int
 	valuePT2 int
 }
 func (r result) String() string { return fmt.Sprintf("%#v", r) }
 func run(scan *bufio.Scanner) (*result, error) {
 	var m Map
 	for scan.Scan() {
 		text := scan.Text()
 		m = append(m, []rune(text))
 	}
 	rows := len(m)
 	cols := len(m[0])
 	options := make([]int, 2*(rows+cols)+2)
 	i := 0
 	for j := 0; j <= rows-1; j++ {
 		options[i+0] = runCycle(m, ray{[2]int{j, -1}, RT})
 		options[i+1] = runCycle(m, ray{[2]int{j, cols}, LF})
 		i += 2
 	}
 	for j := 0; j <= cols-1; j++ {
 		options[i+0] = runCycle(m, ray{[2]int{-1, j}, DN})
 		options[i+1] = runCycle(m, ray{[2]int{rows, j}, UP})
 		i += 2
 	}
 	// fmt.Println(options)
 	return &result{valuePT1: options[0], valuePT2: aoc.Max(options[0], options[1:]...)}, nil
 }
 type stack[T any] []T
 func (s *stack[T]) Push(v T) {
 	if s == nil {
 		panic("nil stack")
 	}
 	*s = append(*s, v)
 }
 func (s *stack[T]) Pop() T {
 	if s == nil || len(*s) == 0 {
 		panic("empty stack")
 	}
 	defer func() { *s = (*s)[:len(*s)-1] }()
 	return (*s)[len(*s)-1]
 }
 var (
 	ZERO = [2]int{0, -1}
 	UP = [2]int{-1, 0}
 	DN = [2]int{1, 0}
 	LF = [2]int{0, -1}
 	RT = [2]int{0, 1}
 )
 type ray struct {
 	pos [2]int
 	dir [2]int
 }
 func (r *ray) next() [2]int {
 	r.pos[0] += r.dir[0]
 	r.pos[1] += r.dir[1]
 	return r.pos
 }
 type Map [][]rune
 func (m *Map) Get(p [2]int) rune {
 	if p[0] < 0 || p[0] >= len((*m)) {
 		return 0
 	}
 	if p[1] < 0 || p[1] >= len((*m)[0]) {
 		return 0
 	}
 	return (*m)[p[0]][p[1]]
 }
 func runCycle(m Map, r ray) int {
 	current := r
 	s := stack[ray]{}
 	s.Push(current)
 	energized := make(map[[2]int]bool)
 	// energized[current.pos] = true
 	cycle := make(map[[4]int]bool)
 	for len(s) > 0 {
 		current = s.Pop()
 		r := m.Get(current.next())
 		// fmt.Println("pos", current.pos, current.dir, string(r), len(s))
 		if r == 0 {
 			continue
 		}
 		energized[current.pos] = true
 		v := [4]int{
 			current.pos[0],
 			current.pos[1],
 			current.dir[0],
 			current.dir[1],
 		}
 		if _, ok := cycle[v]; ok {
 			// fmt.Println("cycle")
 			continue
 		}
 		cycle[v] = true
 		switch r {
 		case '|':
 			switch current.dir {
 			case UP, DN:
 				// pass
 			case LF, RT:
 				current.dir = UP
 				s.Push(ray{current.pos, DN})
 			}
 		case '-':
 			switch current.dir {
 			case LF, RT:
 				// pass
 			case UP, DN:
 				current.dir = LF
 				s.Push(ray{current.pos, RT})
 			}
 		case '/':
 			switch current.dir {
 			case UP:
 				current.dir = RT
 			case DN:
 				current.dir = LF
 			case LF:
 				current.dir = DN
 			case RT:
 				current.dir = UP
 			}
 		case '\\':
 			switch current.dir {
 			case UP:
 				current.dir = LF
 			case DN:
 				current.dir = RT
 			case LF:
 				current.dir = UP
 			case RT:
 				current.dir = DN
 			}
 		}
 		s.Push(current)
 	}
 	// for i := range m {
 	// 	for j := range m[i] {
 	// 		if v := energized[[2]int{i,j}]; v {
 	// 			fmt.Print("#")
 	// 		} else {
 	// 			fmt.Print(".")
 	// 		}
 	// 	}
 	// 	fmt.Println("")
 	// }
 	return len(energized)
 }
@@ -0,0 +1,50 @@
 package main
 import (
 	"bufio"
 	"bytes"
 	"testing"
 	_ "embed"
 	"github.com/matryer/is"
 )
 //go:embed example.txt
 var example []byte
 //go:embed input.txt
 var input []byte
 func TestExample(t *testing.T) {
 	is := is.New(t)
 	scan := bufio.NewScanner(bytes.NewReader(example))
 	result, err := run(scan)
 	is.NoErr(err)
 	t.Log(result)
 	is.Equal(result.valuePT1, 46)
 	is.Equal(result.valuePT2, 51)
 }
 func TestSolution(t *testing.T) {
 	is := is.New(t)
 	scan := bufio.NewScanner(bytes.NewReader(input))
 	result, err := run(scan)
 	is.NoErr(err)
 	t.Log(result)
 	is.Equal(result.valuePT1, 8098)
 	is.Equal(result.valuePT2, 8335)
 }
 func TestStack(t *testing.T) {
 	is := is.New(t)
 	s := stack[int]{}
 	s.Push(5)
 	is.Equal(s.Pop(), 5)
 }
@@ -0,0 +1,13 @@
 2413432311323
 3215453535623
 3255245654254
 3446585845452
 4546657867536
 1438598798454
 4457876987766
 3637877979653
 4654967986887
 4564679986453
 1224686865563
 2546548887735
 4322674655533
@@ -0,0 +1,141 @@
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@@ -0,0 +1,225 @@
 package main
 import (
 	"bufio"
 	_ "embed"
 	"fmt"
 	aoc "go.sour.is/advent-of-code"
 )
 var log = aoc.Log
 func main() { aoc.MustResult(aoc.Runner(run)) }
 type result struct {
 	valuePT1 int
 	valuePT2 int
 }
 func (r result) String() string { return fmt.Sprintf("%#v", r) }
 func run(scan *bufio.Scanner) (*result, error) {
 	var m aoc.Map[int16, rune]
 	for scan.Scan() {
 		text := scan.Text()
 		m = append(m, []rune(text))
 	}
 	log("start day 17")
 	result := result{}
 	result.valuePT1 = search(m, 1, 3, seenFn)
 	log("result from part 1 = ", result.valuePT1)
 	result.valuePT2 = search(m, 4, 10, nil)
 	log("result from part 2 = ", result.valuePT2)
 	return &result, nil
 }
 type Point = aoc.Point[int16]
 type Map = aoc.Map[int16, rune]
 // rotate for changing direction
 type rotate int8
 const (
 	CW  rotate = 1
 	CCW rotate = -1
 )
 // diretion of path steps
 type direction int8
 var (
 	U = Point{-1, 0}
 	R = Point{0, 1}
 	D = Point{1, 0}
 	L = Point{0, -1}
 )
 var directions = []Point{U, R, D, L}
 var directionIDX = func() map[Point]direction {
 	m := make(map[Point]direction, len(directions))
 	for k, v := range directions {
 		m[v] = direction(k)
 	}
 	return m
 }()
 // position on the map
 type position struct {
 	loc       Point
 	direction Point
 	steps     int8
 }
 func (p position) step() position {
 	return position{p.loc.Add(p.direction), p.direction, p.steps + 1}
 }
 func (p position) rotateAndStep(towards rotate) position {
 	d := directions[(int8(directionIDX[p.direction])+int8(towards)+4)%4]
 	return position{p.loc.Add(d), d, 1}
 }
 // implements FindPath graph interface
 type graph struct {
 	min, max int8
 	m        Map
 	target   Point
 	reads    int
 	seenFn   func(a position) position
 }
 // Neighbors returns valid steps from given position. if at target returns none.
 func (g *graph) Neighbors(current position) []position {
 	var nbs []position
 	if current.steps == 0 {
 		return []position{
 			{R, R, 1},
 			{D, D, 1},
 		}
 	}
 	if current.loc == g.target {
 		return nil
 	}
 	if left := current.rotateAndStep(CCW); current.steps >= g.min && g.m.Valid(left.loc) {
 		nbs = append(nbs, left)
 	}
 	if right := current.rotateAndStep(CW); current.steps >= g.min && g.m.Valid(right.loc) {
 		nbs = append(nbs, right)
 	}
 	if forward := current.step(); current.steps < g.max && g.m.Valid(forward.loc) {
 		nbs = append(nbs, forward)
 	}
 	return nbs
 }
 // Cost calculates heat cost to neighbor from map
 func (g *graph) Cost(a, b position) int16 {
 	g.reads++
 	_, r, _ := g.m.Get(b.loc)
 	return int16(r - '0')
 }
 // Potential calculates distance to target
 // func (g *graph) Potential(a position) int16 {
 // 	return aoc.ManhattanDistance(a.loc, g.target)
 // }
 // Target returns true when target reached. receives node and cost.
 func (g *graph) Target(a position, c int16) bool {
 	if a.loc == g.target && a.steps >= g.min && a.steps <= g.max {
 		return true
 	}
 	return false
 }
 // Seen attempt at simplifying the seen to use horizontal/vertical and no steps.
 // It returns correct for part1 but not part 2..
 func (g *graph) Seen(a position) position {
 	if g.seenFn != nil {
 		return g.seenFn(a)
 	}
 	return a
 }
 func seenFn(a position) position {
 	if a.direction == U {
 		a.direction = D
 	}
 	if a.direction == L {
 		a.direction = R
 	}
 	// a.steps = 0
 	return a
 }
 func search(m Map, minSteps, maxSteps int8, seenFn func(position) position) int {
 	rows, cols := m.Size()
 	start := Point{}
 	target := Point{rows - 1, cols - 1}
 	g := graph{min: minSteps, max: maxSteps, m: m, target: target, seenFn: seenFn}
 	cost, path, closed := aoc.FindPath[int16, position](&g, position{loc: start}, position{loc: target})
 	log("total map reads = ", g.reads, "cost = ", cost)
 	printGraph(m, path, closed, g.seenFn)
 	return int(cost)
 }
 // printGraph with the path/cost overlay
 func printGraph(m Map, path []position, closed map[position]int16, seenFn func(a position) position) {
 	pts := make(map[Point]position, len(path))
 	for _, pt := range path {
 		pts[pt.loc] = pt
 	}
 	clpt := make(map[position]position, len(closed))
 	for pt := range closed {
 		clpt[position{loc: pt.loc, steps: pt.steps}] = pt
 	}
 	for r, row := range m {
 		// if r == 0 {
 		// 	for c := range row {
 		// 		if c == 0 {
 		// 			fmt.Print("     ")
 		// 		}
 		// 		fmt.Printf("% 5d", c)
 		// 	}
 		// 	fmt.Println("")
 		// }
 		for c := range row {
 			// if c == 0 {
 			// 	fmt.Printf("% 5d", r)
 			// }
 			if pt, ok := pts[Point{int16(r), int16(c)}]; ok {
 				if seenFn != nil {
 					pt = seenFn(pt)
 				}
 				_ = pt
 				// fmt.Printf("% 5d", closed[pt])
 				fmt.Print("*")
 				continue
 			}
 			// fmt.Print(" ....")
 			fmt.Print(" ")
 		}
 		fmt.Println("")
 	}
 	fmt.Println("")
 }
@@ -0,0 +1,41 @@
 package main
 import (
 	"bufio"
 	"bytes"
 	"testing"
 	_ "embed"
 	"github.com/matryer/is"
 )
 //go:embed example.txt
 var example []byte
 //go:embed input.txt
 var input []byte
 func TestExample(t *testing.T) {
 	is := is.New(t)
 	scan := bufio.NewScanner(bytes.NewReader(example))
 	result, err := run(scan)
 	is.NoErr(err)
 	t.Log(result)
 	is.Equal(result.valuePT1, 102)
 	is.Equal(result.valuePT2, 94)
 }
 func TestSolution(t *testing.T) {
 	is := is.New(t)
 	scan := bufio.NewScanner(bytes.NewReader(input))
 	result, err := run(scan)
 	is.NoErr(err)
 	t.Log(result)
 	is.Equal(result.valuePT1, 843)
 	is.Equal(result.valuePT2, 1017)
 }
@@ -0,0 +1,14 @@
 R 6 (#70c710)
 D 5 (#0dc571)
 L 2 (#5713f0)
 D 2 (#d2c081)
 R 2 (#59c680)
 D 2 (#411b91)
 L 5 (#8ceee2)
 U 2 (#caa173)
 L 1 (#1b58a2)
 U 2 (#caa171)
 R 2 (#7807d2)
 U 3 (#a77fa3)
 L 2 (#015232)
 U 2 (#7a21e3)
@@ -0,0 +1,766 @@
 R 4 (#0a7a60)
 U 8 (#4453b3)
 R 6 (#8e4f70)
 U 2 (#4453b1)
 R 4 (#0feb00)
 U 4 (#355591)
 R 8 (#2a09c0)
 U 4 (#544c71)
 R 4 (#472930)
 U 2 (#199e33)
 R 3 (#3d8df0)
 U 5 (#199e31)
 R 7 (#45de50)
 U 4 (#57a941)
 L 7 (#671c70)
 U 5 (#5e5e81)
 R 4 (#2e9b60)
 U 8 (#490881)
 L 7 (#1846f0)
 U 3 (#304101)
 L 4 (#1846f2)
 D 2 (#58f3f1)
 L 9 (#2e9b62)
 D 2 (#56dcd1)
 L 2 (#671c72)
 D 9 (#275fd1)
 L 4 (#76b7b2)
 U 9 (#5b9641)
 L 4 (#1d3212)
 U 10 (#3d1841)
 L 3 (#5ad5e2)
 D 6 (#010211)
 L 5 (#13ec52)
 D 8 (#166471)
 L 3 (#53ebc0)
 D 5 (#0fdba1)
 L 4 (#54e450)
 D 9 (#440a21)
 L 3 (#49b242)
 D 5 (#2f0171)
 L 6 (#447332)
 D 4 (#182561)
 L 8 (#1aaaa2)
 D 6 (#0996a1)
 L 4 (#1c1212)
 D 6 (#5780d1)
 L 7 (#0fc1d2)
 D 7 (#36cb41)
 L 3 (#505552)
 D 7 (#8d8b81)
 R 4 (#2bf742)
 D 7 (#152791)
 R 5 (#760492)
 D 3 (#11a991)
 R 3 (#5debc0)
 D 10 (#59f211)
 L 4 (#66d342)
 D 8 (#1fc6b1)
 R 4 (#66d340)
 D 6 (#72dff1)
 L 2 (#3f1b10)
 D 4 (#2fca13)
 L 10 (#2d0162)
 D 5 (#8b5e53)
 L 6 (#2d0160)
 U 2 (#317053)
 L 2 (#650c20)
 U 7 (#2bed01)
 R 10 (#409ed0)
 U 2 (#166713)
 L 10 (#939350)
 U 6 (#166711)
 L 4 (#38a180)
 D 3 (#1d95f1)
 L 6 (#11ea60)
 D 5 (#931dc1)
 R 6 (#11bf70)
 D 7 (#536051)
 L 3 (#995b60)
 D 2 (#254e91)
 L 3 (#332fd2)
 U 6 (#7669f1)
 L 3 (#574642)
 U 6 (#1778a1)
 L 3 (#1a00c2)
 U 5 (#2eaa81)
 L 3 (#1cf8e2)
 U 6 (#0c71a1)
 L 6 (#868472)
 U 3 (#0a9fd1)
 R 9 (#104c02)
 U 4 (#082451)
 L 7 (#850d02)
 U 6 (#082453)
 L 7 (#322552)
 U 3 (#1339d1)
 L 6 (#8e11d2)
 U 4 (#6c5691)
 R 6 (#1dda10)
 U 3 (#25e5c3)
 R 7 (#370670)
 U 4 (#9324f1)
 L 3 (#451030)
 U 7 (#1f1021)
 L 7 (#0ba3c0)
 U 5 (#8a10a3)
 L 8 (#67db30)
 U 5 (#282473)
 L 4 (#0cd350)
 U 4 (#25e5c1)
 R 3 (#6b4ee0)
 U 4 (#333cf1)
 R 5 (#02b610)
 D 4 (#4e7cc1)
 R 3 (#92abb0)
 U 5 (#2f6ff1)
 R 5 (#483360)
 U 5 (#7b1cd1)
 L 8 (#3a5d50)
 U 3 (#1d2461)
 R 8 (#3b2fd0)
 U 5 (#630763)
 R 6 (#5033c0)
 U 3 (#252523)
 R 7 (#08eeb0)
 U 8 (#516633)
 L 7 (#156240)
 U 4 (#2db063)
 L 3 (#791070)
 D 5 (#2920a3)
 L 3 (#0dafe0)
 U 5 (#4185b3)
 L 5 (#7ac0e0)
 U 2 (#5a6cd3)
 L 2 (#3ca790)
 U 7 (#755403)
 L 4 (#3b0740)
 U 5 (#2004a3)
 L 3 (#2db4f0)
 U 6 (#602a23)
 R 5 (#32c1c0)
 D 2 (#000f53)
 R 5 (#388360)
 D 7 (#24d9e3)
 R 4 (#4703a0)
 D 3 (#2f1133)
 R 3 (#4703a2)
 U 11 (#52e853)
 R 5 (#278132)
 D 11 (#0665e3)
 R 3 (#239112)
 U 6 (#8f0ad1)
 R 5 (#447de2)
 U 6 (#8f0ad3)
 R 6 (#636122)
 U 2 (#187283)
 R 3 (#5aae62)
 U 10 (#1d8833)
 L 5 (#476db0)
 U 5 (#136393)
 L 7 (#29e6b0)
 U 5 (#136391)
 R 7 (#3ba060)
 U 3 (#635e23)
 L 5 (#2042f0)
 U 3 (#181643)
 L 6 (#5af952)
 U 8 (#28d0b1)
 L 2 (#4a98f2)
 U 9 (#28d0b3)
 L 6 (#27a572)
 D 3 (#3d7213)
 L 4 (#516842)
 D 11 (#21ef63)
 L 5 (#38e342)
 D 2 (#1118b3)
 L 3 (#560502)
 D 9 (#1118b1)
 R 2 (#1c39a2)
 D 2 (#303ab3)
 R 6 (#716ba0)
 D 6 (#780a93)
 L 8 (#77ec30)
 U 2 (#780a91)
 L 3 (#271100)
 U 10 (#5882f3)
 L 4 (#2050c2)
 D 3 (#434843)
 L 3 (#7d9572)
 D 2 (#3129b3)
 L 5 (#21fb12)
 D 5 (#8c2c33)
 L 4 (#57bf92)
 D 6 (#2730b3)
 L 4 (#6a3902)
 D 8 (#4656a3)
 L 5 (#60ac80)
 D 4 (#43b863)
 R 9 (#3d69a0)
 D 8 (#3ca913)
 L 2 (#411d80)
 D 3 (#725383)
 L 8 (#4a98d0)
 D 9 (#274553)
 L 5 (#580d60)
 U 5 (#568223)
 L 6 (#473af0)
 U 5 (#827593)
 L 7 (#251dc2)
 U 5 (#0fcea3)
 L 8 (#5ae3d2)
 U 3 (#4efa11)
 R 9 (#389852)
 U 2 (#7f7f91)
 R 6 (#618342)
 U 3 (#441143)
 L 7 (#886df2)
 U 3 (#26a093)
 L 8 (#886df0)
 U 4 (#63c7d3)
 L 3 (#04f842)
 D 10 (#0fcea1)
 L 6 (#388e62)
 U 10 (#3ae7f3)
 L 3 (#2a6880)
 U 6 (#3bfd53)
 L 6 (#73a0c0)
 U 5 (#3bfd51)
 L 4 (#0d18a0)
 U 2 (#19da93)
 L 6 (#120600)
 U 8 (#233b53)
 L 6 (#2e1050)
 U 3 (#4b2aa3)
 L 4 (#5f9930)
 U 10 (#6e65f1)
 R 6 (#1eefa0)
 U 9 (#50b9d3)
 R 2 (#548ed0)
 U 9 (#50b9d1)
 R 7 (#8bd9f0)
 U 4 (#5ae473)
 R 6 (#0b0490)
 U 10 (#186891)
 R 4 (#764830)
 U 7 (#33b0e1)
 R 5 (#363c90)
 U 8 (#7bd631)
 R 7 (#031e30)
 U 7 (#095881)
 R 3 (#640e50)
 D 5 (#02e7f3)
 R 7 (#0922f0)
 D 7 (#6b7af3)
 R 9 (#0922f2)
 D 3 (#62e543)
 R 3 (#21e320)
 U 9 (#5ead81)
 R 7 (#01fd70)
 D 9 (#3b0cf1)
 R 2 (#2758a0)
 D 5 (#7279b1)
 R 8 (#5c7dc0)
 D 7 (#3c8db1)
 R 4 (#3c3740)
 U 2 (#26b151)
 R 6 (#11eb12)
 U 4 (#587921)
 R 6 (#11eb10)
 U 4 (#320051)
 R 4 (#038630)
 U 3 (#6a2e61)
 R 2 (#4ff680)
 U 5 (#3c57f1)
 R 9 (#0b2440)
 U 8 (#497533)
 L 6 (#704680)
 U 11 (#549113)
 R 6 (#23b470)
 U 4 (#9e0641)
 R 7 (#1aeec0)
 D 7 (#4a6331)
 R 2 (#547d80)
 D 5 (#457a71)
 R 9 (#7daa90)
 D 4 (#16d7b1)
 L 6 (#266810)
 D 3 (#363561)
 L 5 (#5312b2)
 D 4 (#42c301)
 R 5 (#9a0952)
 D 7 (#42c303)
 R 7 (#7d1df2)
 D 4 (#51e321)
 R 5 (#609422)
 D 4 (#3b8f01)
 R 6 (#644792)
 U 4 (#2d8b11)
 R 7 (#22bbc2)
 D 7 (#6b39b1)
 R 5 (#680e72)
 U 2 (#7f9f31)
 R 3 (#0e9b52)
 U 3 (#3086c1)
 R 3 (#5a60c0)
 U 6 (#53b6e3)
 R 7 (#8117d0)
 U 7 (#53b6e1)
 R 3 (#2cb930)
 U 3 (#1bffd1)
 R 6 (#4539f0)
 U 8 (#680411)
 R 4 (#6032c0)
 U 6 (#255061)
 R 3 (#5562a0)
 U 6 (#088071)
 R 3 (#3bf2f0)
 U 5 (#52bdb1)
 L 6 (#070500)
 U 5 (#69e001)
 R 6 (#070502)
 U 3 (#071051)
 R 2 (#036000)
 U 4 (#0ea8a1)
 R 5 (#05e4d0)
 U 3 (#674de1)
 R 3 (#804250)
 D 6 (#3ffca1)
 R 4 (#23dcb2)
 D 6 (#9f9841)
 L 5 (#45f210)
 D 9 (#15efc1)
 R 5 (#45f212)
 D 4 (#969551)
 L 9 (#23dcb0)
 D 2 (#41bea1)
 L 4 (#2f2a32)
 D 4 (#71ffd1)
 R 3 (#5c0bb2)
 D 7 (#6f3501)
 R 4 (#2b0a72)
 D 4 (#7b3571)
 R 3 (#1c67d2)
 U 11 (#42f011)
 R 3 (#51ae62)
 D 3 (#75fcf1)
 R 3 (#1f4742)
 D 4 (#2813f1)
 R 4 (#3d1812)
 D 2 (#2b1d01)
 R 11 (#1eb302)
 U 3 (#27b0a1)
 R 4 (#227b20)
 U 5 (#34b7e1)
 R 10 (#201220)
 U 7 (#0502f3)
 R 4 (#5ab7f0)
 U 4 (#0502f1)
 R 4 (#5d09b0)
 U 7 (#504a81)
 R 7 (#1e8250)
 U 3 (#715aa1)
 R 6 (#26d290)
 U 6 (#9a12f1)
 L 3 (#18be90)
 U 8 (#037d11)
 L 5 (#647600)
 U 3 (#40b983)
 L 5 (#04e450)
 U 3 (#9a9a43)
 L 8 (#04e452)
 U 6 (#8af153)
 R 8 (#6cbc90)
 U 4 (#04d121)
 L 4 (#285292)
 U 3 (#688d51)
 L 6 (#176332)
 U 4 (#400a91)
 L 5 (#176330)
 U 5 (#43def1)
 R 2 (#285290)
 U 2 (#3e0711)
 R 3 (#7eb9c0)
 U 7 (#36f611)
 R 7 (#666af0)
 D 7 (#381b31)
 R 3 (#298922)
 U 3 (#475671)
 R 6 (#977c12)
 D 4 (#602d01)
 R 6 (#25b0c2)
 D 6 (#7ede81)
 R 3 (#1d58c2)
 D 8 (#873523)
 L 9 (#265ae2)
 D 3 (#57d663)
 R 7 (#1565c2)
 D 8 (#06ed11)
 R 4 (#a348c2)
 D 2 (#06ed13)
 R 8 (#12d052)
 D 4 (#2d3741)
 L 7 (#0ccfd2)
 D 3 (#1fcd61)
 R 4 (#39a4c2)
 D 3 (#44f7f1)
 R 6 (#5c3202)
 D 8 (#2625c1)
 L 8 (#2b08c2)
 D 2 (#20d7e1)
 L 2 (#67b892)
 D 10 (#546471)
 R 7 (#484ef2)
 D 7 (#49bc91)
 R 4 (#91aa72)
 U 11 (#499591)
 R 3 (#0048b2)
 U 7 (#34a7a1)
 R 7 (#514600)
 U 8 (#1cdc43)
 L 7 (#471470)
 U 3 (#8c8393)
 R 3 (#18a780)
 U 5 (#8c8391)
 R 3 (#4e6f80)
 U 3 (#1cdc41)
 R 8 (#428930)
 U 5 (#5dcb51)
 R 3 (#4b21e2)
 U 4 (#0464b1)
 R 9 (#850552)
 D 8 (#464881)
 R 7 (#543852)
 D 3 (#2d3a11)
 R 3 (#081b22)
 D 5 (#0cc731)
 R 7 (#6990e0)
 D 3 (#79d7b1)
 R 3 (#509520)
 D 5 (#438571)
 R 3 (#27d510)
 D 3 (#30d2d3)
 L 8 (#1b7a00)
 D 5 (#8a0da3)
 L 8 (#1b7a02)
 U 5 (#027cb3)
 L 7 (#350130)
 D 8 (#2ff771)
 R 7 (#16dc02)
 D 2 (#68f1c1)
 R 5 (#02f782)
 D 6 (#4e2a41)
 R 11 (#448e32)
 D 5 (#2cfac1)
 L 11 (#417502)
 D 5 (#2cfac3)
 L 4 (#22f022)
 U 9 (#1e9f01)
 L 5 (#543572)
 U 3 (#076e31)
 L 6 (#081b20)
 U 5 (#1ae851)
 L 3 (#823132)
 U 9 (#2d7993)
 L 4 (#5738f2)
 D 8 (#79e273)
 L 4 (#5c9ad2)
 D 8 (#4ed1b3)
 L 3 (#311722)
 D 4 (#0d5493)
 L 6 (#5d63e0)
 D 6 (#178cf3)
 L 5 (#75b1b0)
 D 5 (#178cf1)
 L 6 (#11d550)
 D 6 (#44ed03)
 L 3 (#76a842)
 U 6 (#3b6993)
 L 5 (#184892)
 D 4 (#5c8163)
 L 3 (#14d872)
 U 2 (#261a01)
 L 5 (#2d01e2)
 U 9 (#326ca3)
 L 4 (#59ad32)
 U 8 (#326ca1)
 R 4 (#389ab2)
 U 9 (#261a03)
 L 4 (#50cb42)
 D 4 (#2f8263)
 L 5 (#9f3752)
 D 6 (#4bb383)
 L 4 (#2693f2)
 D 4 (#19dca3)
 R 4 (#475bc2)
 D 6 (#960e13)
 L 7 (#0c90a2)
 D 8 (#3463d3)
 L 6 (#5a82e2)
 D 3 (#5a5c43)
 R 7 (#120bf2)
 D 3 (#5069e3)
 R 3 (#4b47a2)
 D 6 (#635b63)
 R 4 (#66ca10)
 U 4 (#1418f1)
 R 7 (#1d5470)
 D 4 (#1418f3)
 R 8 (#66d4f0)
 D 5 (#3c5533)
 R 4 (#2f6e02)
 D 3 (#2cf5e3)
 R 4 (#633ec2)
 D 7 (#2cf5e1)
 R 7 (#5846b2)
 D 3 (#4f9d63)
 R 4 (#533380)
 D 11 (#13c7e3)
 R 2 (#222b62)
 D 3 (#928ab3)
 R 5 (#222b60)
 U 5 (#0a4793)
 R 5 (#15d3b0)
 U 8 (#363fe1)
 R 4 (#2feb30)
 U 5 (#05d8b1)
 R 3 (#39e030)
 U 3 (#05d8b3)
 R 2 (#3cd780)
 U 8 (#02c781)
 R 5 (#186452)
 D 3 (#37bba1)
 R 5 (#9e1232)
 D 5 (#58e6f1)
 R 5 (#182c30)
 D 5 (#072db1)
 R 5 (#85e600)
 D 4 (#607651)
 R 5 (#186450)
 D 3 (#0aca91)
 L 5 (#0ceb10)
 D 5 (#860001)
 L 6 (#54c8b0)
 U 5 (#393971)
 L 4 (#37c390)
 D 3 (#1f1433)
 L 5 (#3d8790)
 D 6 (#353623)
 R 4 (#78c830)
 D 4 (#6fafa3)
 R 6 (#2b0612)
 D 5 (#31fff3)
 R 7 (#8b49b2)
 D 9 (#6f0ee3)
 R 5 (#4212e0)
 D 6 (#5d11f3)
 R 6 (#648340)
 D 8 (#393743)
 R 6 (#34ddd0)
 U 8 (#346fb3)
 R 5 (#34fc22)
 D 4 (#71c453)
 R 6 (#5048f2)
 D 4 (#0bb993)
 R 4 (#42b9f0)
 D 9 (#5cdf83)
 R 5 (#42b9f2)
 D 3 (#6f3f93)
 R 3 (#3dbae2)
 D 8 (#495363)
 R 9 (#328ba2)
 D 3 (#77afa1)
 R 5 (#575710)
 D 2 (#10d861)
 R 4 (#257822)
 D 4 (#6efe61)
 R 9 (#257820)
 D 5 (#521d01)
 R 5 (#575712)
 D 6 (#494cf1)
 L 5 (#683ab2)
 D 4 (#5e79c3)
 L 3 (#4242a2)
 D 4 (#5e79c1)
 L 7 (#2c3442)
 D 8 (#2fbd23)
 L 5 (#636fb2)
 D 5 (#63bd53)
 L 2 (#299960)
 D 6 (#31ea33)
 R 3 (#51dfb0)
 D 7 (#4e4ec3)
 R 4 (#7b7912)
 D 5 (#4b4bf3)
 R 4 (#54e882)
 D 5 (#7d2193)
 R 3 (#3b77d2)
 D 3 (#826973)
 R 8 (#646ec2)
 D 4 (#076c63)
 L 10 (#674052)
 D 6 (#3676b1)
 L 9 (#3bd890)
 D 4 (#7feb71)
 L 3 (#3bd892)
 D 3 (#27fc21)
 R 8 (#66bba2)
 D 8 (#645c73)
 R 5 (#43e132)
 D 5 (#51d9e3)
 R 8 (#43e130)
 D 6 (#2827f3)
 R 4 (#412c92)
 D 5 (#7e7f63)
 L 4 (#218122)
 D 4 (#546e83)
 L 9 (#82f672)
 D 8 (#6ed383)
 L 3 (#701412)
 D 7 (#47de23)
 L 5 (#46f912)
 D 7 (#0d9ec3)
 L 4 (#515142)
 D 3 (#4699e3)
 L 9 (#2ed562)
 U 6 (#00a273)
 L 9 (#8d7d12)
 U 2 (#6c3a83)
 L 7 (#318fa2)
 U 7 (#0bd473)
 L 2 (#6d5050)
 U 10 (#415673)
 R 3 (#9e8420)
 U 6 (#1ff213)
 R 5 (#0c8bf0)
 U 2 (#479a11)
 R 6 (#977360)
 U 5 (#479a13)
 L 8 (#250680)
 U 2 (#1ff211)
 L 3 (#216630)
 U 3 (#22d143)
 L 3 (#3b4342)
 U 7 (#9d4ff3)
 L 5 (#43aca2)
 U 6 (#29efd3)
 L 3 (#5c6a12)
 D 11 (#134a73)
 L 6 (#2a0982)
 U 11 (#444723)
 L 4 (#47e2e2)
 U 4 (#6855c3)
 L 4 (#06a382)
 U 4 (#2222e3)
 R 3 (#4edc62)
 U 6 (#9a2683)
 R 6 (#131872)
 U 10 (#4f5a23)
 R 4 (#858f70)
 U 5 (#4d4823)
 L 9 (#3f73f0)
 U 3 (#46f5a3)
 L 4 (#935370)
 U 4 (#46f5a1)
 L 5 (#3ca140)
 U 6 (#07b1e3)
 L 5 (#61ecd0)
 U 5 (#654743)
 L 5 (#3cec42)
 U 6 (#30bb83)
 R 3 (#920782)
 U 6 (#1f9323)
 R 8 (#3d8aa2)
 U 8 (#7492c3)
 R 3 (#301cd2)
 U 3 (#32e2f1)
 R 4 (#6936f2)
 U 6 (#32e2f3)
 R 6 (#5112c2)
 U 7 (#535b53)
 L 10 (#61f4d0)
 U 3 (#915863)
 L 2 (#51d540)
 U 5 (#32dee1)
 L 10 (#4ec320)
 U 5 (#406bc1)
 L 2 (#1b3890)
 U 3 (#681181)
 L 6 (#35ed60)
 D 9 (#153fd3)
 L 5 (#323e30)
 U 5 (#381ad3)
 L 3 (#69a550)
 U 3 (#310f63)
 L 4 (#2cbb80)
 U 5 (#3448a3)
 R 6 (#206282)
 U 5 (#202ab1)
 L 6 (#83af82)
 U 4 (#202ab3)
 L 4 (#248d02)
 D 9 (#28a983)
 L 4 (#32cf10)
 D 7 (#249d73)
 R 4 (#2f5c70)
 D 6 (#021c93)
 L 7 (#957782)
 D 6 (#550e53)
 R 5 (#957780)
 D 6 (#50bb13)
 R 9 (#49b7f2)
 U 6 (#096e93)
 R 4 (#769452)
 D 3 (#6dc543)
 R 5 (#2ad352)
 D 7 (#167963)
 L 10 (#673682)
 D 5 (#152883)
 L 10 (#13f332)
 D 3 (#996721)
 L 4 (#4be2a2)
 D 4 (#9c2443)
 L 4 (#2b83b0)
 D 3 (#5d63b3)
 L 9 (#9cfd40)
 D 7 (#49e793)
 L 7 (#0b5422)
 D 8 (#5c51b3)
 L 2 (#6db152)
 D 4 (#215b53)
 L 3 (#38dc12)
 D 8 (#7dad01)
 L 6 (#559e22)
 D 3 (#929d23)
 L 2 (#0f7560)
 D 6 (#448d13)
 L 7 (#73a972)
 D 2 (#2221c3)
 L 3 (#73a970)
 D 5 (#53b553)
 R 10 (#513590)
 D 3 (#293c83)
 L 10 (#58e2e0)
 D 4 (#54dd21)
 L 5 (#1bcdf2)
 D 5 (#4b0b71)
 L 5 (#1bcdf0)
 U 6 (#43b811)
 L 5 (#4df1d0)
 U 6 (#36d6a3)
 R 5 (#3bfb20)
 U 5 (#75de61)
 L 5 (#1e0ec2)
 U 4 (#30b571)
 L 7 (#2dfd20)
 D 5 (#49ad61)
 L 2 (#2dfd22)
 D 11 (#715d41)
 L 3 (#1e0ec0)
 U 4 (#0f2091)
 L 4 (#9d29c0)
 U 9 (#475a73)
 L 2 (#108610)
 U 3 (#1e5423)
 L 8 (#394192)
 U 3 (#0274b3)
@@ -0,0 +1,89 @@
 package main
 import (
 	"bufio"
 	_ "embed"
 	"fmt"
 	"strconv"
 	"strings"
 	aoc "go.sour.is/advent-of-code"
 	"golang.org/x/exp/maps"
 )
 // var log = aoc.Log
 func main() { aoc.MustResult(aoc.Runner(run)) }
 type result struct {
 	valuePT1 int
 	valuePT2 int
 }
 func (r result) String() string { return fmt.Sprintf("%#v", r) }
 func run(scan *bufio.Scanner) (*result, error) {
 	var vecsPT1 []aoc.Vector
 	var vecsPT2 []aoc.Vector
 	for scan.Scan() {
 		text := scan.Text()
 		if len(text) == 0 {
 			continue
 		}
 		v, color := fromLine(text)
 		vecsPT1 = append(vecsPT1, v)
 		vecsPT2 = append(vecsPT2, fromColor(color))
 	}
 	return &result{
 		valuePT1: findArea(vecsPT1),
 		valuePT2: findArea(vecsPT2),
 	}, nil
 }
 var OFFSET = map[string]aoc.Point[int]{
 	"R": {0, 1},
 	"D": {1, 0},
 	"L": {0, -1},
 	"U": {-1, 0},
 }
 var OFFSET_INDEXES = maps.Values(OFFSET)
 func fromLine(text string) (aoc.Vector, string) {
 	v := aoc.Vector{}
 	s, text, _ := strings.Cut(text, " ")
 	v.Offset = OFFSET[s]
 	s, text, _ = strings.Cut(text, " ")
 	v.Scale = aoc.Atoi(s)
 	_, text, _ = strings.Cut(text, "(#")
 	s, _, _ = strings.Cut(text, ")")
 	return v, s
 }
 func fromColor(c string) aoc.Vector {
 	scale, _ := strconv.ParseInt(c[:5], 16, 64)
 	offset := OFFSET_INDEXES[c[5]-'0']
 	return aoc.Vector{
 		Offset: offset,
 		Scale:  int(scale),
 	}
 }
 func findArea(vecs []aoc.Vector) int {
 	shoelace := []aoc.Point[int]{{0, 0}}
 	borderLength := 0
 	for _, vec := range vecs {
 		shoelace = append(shoelace, shoelace[len(shoelace)-1].Add(vec.Point()))
 		borderLength += vec.Scale
 	}
 	return aoc.NumPoints(shoelace, borderLength)
 }
@@ -0,0 +1,42 @@
 package main
 import (
 	"bufio"
 	"bytes"
 	"testing"
 	_ "embed"
 	"github.com/matryer/is"
 )
 //go:embed example.txt
 var example []byte
 //go:embed input.txt
 var input []byte
 func TestExample(t *testing.T) {
 	is := is.New(t)
 	scan := bufio.NewScanner(bytes.NewReader(example))
 	result, err := run(scan)
 	is.NoErr(err)
 	t.Log(result)
 	is.Equal(result.valuePT1, 62)
 	is.Equal(result.valuePT2, 952408144115)
 }
 func TestSolution(t *testing.T) {
 	is := is.New(t)
 	scan := bufio.NewScanner(bytes.NewReader(input))
 	result, err := run(scan)
 	is.NoErr(err)
 	t.Log(result)
 	is.True(result.valuePT1 < 68834) // first attempt too high.
 	is.Equal(result.valuePT1, 46334)
 	is.Equal(result.valuePT2, 102000662718092)
 }
@@ -0,0 +1,17 @@
 px{a<2006:qkq,m>2090:A,rfg}
 pv{a>1716:R,A}
 lnx{m>1548:A,A}
 rfg{s<537:gd,x>2440:R,A}
 qs{s>3448:A,lnx}
 qkq{x<1416:A,crn}
 crn{x>2662:A,R}
 in{s<1351:px,qqz}
 qqz{s>2770:qs,m<1801:hdj,R}
 gd{a>3333:R,R}
 hdj{m>838:A,pv}
 {x=787,m=2655,a=1222,s=2876}
 {x=1679,m=44,a=2067,s=496}
 {x=2036,m=264,a=79,s=2244}
 {x=2461,m=1339,a=466,s=291}
 {x=2127,m=1623,a=2188,s=1013}
@@ -0,0 +1,780 @@
 ztj{s<2703:A,m<1025:vk,ztl}
 nqt{a>3513:R,s>2424:R,m>929:R,A}
 mr{s>2281:R,A}
 gf{x>2746:R,a<3379:jcl,R}
 gkv{x>2579:qlx,s>322:rxv,R}
 gdl{x<2917:A,s>82:A,s<54:R,R}
 hzc{m<1277:R,m>1355:A,x>953:A,R}
 xs{x>2337:ft,m>1444:A,R}
 hs{m<235:A,a<2424:A,x<3026:pvh,hqk}
 cls{a<1361:zch,s<3630:tnh,a<2359:px,spb}
 gq{m<1157:A,R}
 hc{m<2726:A,s>1302:A,R}
 lt{x>3157:A,a<3669:R,R}
 sf{x<3199:R,s>2680:jrl,x>3718:jh,R}
 hr{m>1737:A,A}
 bgg{x<171:A,x<283:R,R}
 pgb{m<1624:ksc,x>2675:bzc,bzn}
 zm{m<2599:sjc,m>3497:A,m<2946:A,A}
 gbb{x>860:bxv,a<2306:br,msc}
 gsl{x>53:A,A}
 zs{x<1669:kp,x<2690:ns,s>2951:cls,tvv}
 qhq{x<1264:A,m<1728:A,R}
 gg{s<239:A,s>340:R,x>3642:A,R}
 ktx{m>2620:R,m>2073:R,a<3539:R,R}
 xg{x<3497:fp,sgc}
 pms{m<3366:R,x>3570:A,R}
 gsb{x>2077:A,A}
 xf{s>3779:A,R}
 tfs{s>3844:rb,s<3703:scg,bk}
 bgb{a>2837:R,a>2812:A,A}
 nvk{s<2358:mr,x>2818:nqt,x<2757:lf,R}
 fg{a>1961:A,x<68:R,R}
 cfz{x>1567:A,m>951:A,a<2959:R,A}
 ljt{m>950:A,m<557:R,m<745:A,R}
 zcq{m>1403:th,fd}
 tbv{a>1532:R,R}
 dq{m>960:R,csz}
 tvv{a<2619:zh,m>1623:kb,vh}
 dzz{s>3136:R,s<2702:A,a>2889:R,R}
 lg{a<66:A,s>784:A,s>263:A,A}
 zfk{s<463:R,x>3180:A,R}
 bdh{s>356:A,s>193:A,m>482:R,R}
 tc{m>3454:R,x>3211:A,A}
 tz{x>3191:R,a<1319:R,R}
 cpn{m<2478:A,a<2228:A,a>3262:A,A}
 qmt{x<2144:R,flt}
 nsp{m<379:R,R}
 sxt{s<1011:A,a>1135:A,rl}
 bjg{m>973:lz,x>243:hh,a>1789:xl,xmg}
 cj{x>2137:nst,m<3002:A,s>3193:jc,pfr}
 lmc{a>2967:A,A}
 tv{m>1493:A,m<769:A,R}
 khc{m>2346:mbr,s>596:kvr,a<274:fzh,tb}
 zbk{s>1140:qrt,x>1818:pv,a>540:gt,gxc}
 kk{s>3728:R,s>3683:R,m<562:A,A}
 jv{m<848:zpq,a>1225:fsv,ztj}
 shb{a<242:A,m>2625:R,R}
 fhg{m>1372:R,A}
 dg{x>1246:qd,s<3289:lbf,a<1032:zzp,ks}
 cfq{s>2689:A,s>2613:R,A}
 gl{m>2798:cqm,s>3029:cnl,m>2233:A,qc}
 tkv{m<1884:A,A}
 fdm{m<1549:tgt,x<2498:kdf,s>528:jz,lt}
 vx{x<2948:xc,mgp}
 bs{m<687:A,R}
 kp{x>609:dkr,tqc}
 xpj{x<934:A,a>1772:A,A}
 rhd{x>956:A,a<2471:A,a<3414:A,A}
 srg{m>1381:A,s<264:A,A}
 szv{s>453:mff,nzj}
 ldl{a>3906:A,A}
 rxv{m<1632:R,m>1700:R,R}
 ch{s<3588:A,a<639:A,R}
 sc{s>2789:A,a<1419:R,R}
 gk{m>415:R,x>508:A,a<3053:R,R}
 rs{s<1893:R,m>2997:R,x<2049:R,R}
 ncn{s<722:R,m>3562:A,s>773:jm,vr}
 kz{x>3160:A,A}
 xxt{s>1035:R,a<942:R,R}
 pfr{m<3520:A,A}
 nh{a<638:mv,s>865:vm,nrf}
 sg{s>3051:vps,m>2918:A,zhs}
 xnj{x>3494:A,m>584:A,a<1897:A,R}
 jg{s<2380:R,a<2211:A,A}
 cqm{s<3107:R,a>3295:R,m>3224:R,A}
 hgv{m<203:A,s>107:R,A}
 vqt{x<2609:xkn,bnt}
 ft{s>3154:A,m>1087:R,A}
 qv{a>621:A,a>259:xp,m<2439:fbv,kpq}
 lzv{x<2186:gpt,lsb}
 lx{x>3655:A,s>2359:A,s>2271:R,R}
 xfj{s<407:sxx,R}
 tnh{x<3164:vx,js}
 mbr{s<671:A,R}
 tbn{m<2151:A,x<3001:R,R}
 zhp{m<3768:fgp,x>3307:rv,kj}
 qd{s<3201:A,s>3491:hgt,x>1468:A,R}
 qdk{s<1950:R,R}
 vn{s>2814:A,m>386:A,A}
 lv{x>3090:A,s>2406:znh,R}
 km{m>2029:A,m>1871:A,s<2456:A,R}
 ppc{m>2718:R,x<2889:A,x>3361:A,R}
 bk{a<3189:A,m>846:R,R}
 ht{s>2582:jts,x<3333:hx,rgx}
 bb{x<3122:A,x>3258:R,m>3625:A,A}
 fd{m>650:R,x<450:A,a<2254:gb,gk}
 dcf{s>1084:tzp,gbb}
 pm{x>3659:A,m<3539:R,A}
 hj{a>3260:hrn,A}
 ds{m>767:A,m>718:A,R}
 ccv{a<2781:R,a<2905:hd,s<1781:A,qdk}
 vh{s<2473:lpg,m>643:cmn,s>2647:vkk,ht}
 zld{x<3737:A,xst}
 djf{x<748:R,R}
 jfx{m>1768:gz,m>802:jfs,m<437:cl,snl}
 vft{x<2121:dn,m<2486:kf,x<2180:qmt,vsj}
 bc{m<369:hs,a<2050:dfd,m>584:mx,vqt}
 dn{a<799:vbr,m<1868:A,s<1387:skb,rs}
 kxl{a<1795:A,s>3664:A,s<3514:R,R}
 bh{x>3971:A,R}
 pv{x>1877:R,s<517:R,m>2313:R,A}
 vzj{s<1879:cth,vc}
 fc{a<2156:ths,zbc}
 cs{a>2745:A,x>2067:A,s>2357:R,A}
 nsj{a>2800:A,m<2010:R,R}
 lsb{a>2810:R,x>2463:A,m>2877:R,bz}
 nl{x<2336:A,x>2529:A,A}
 pk{m<2800:A,s>3027:R,x<487:A,A}
 bzn{m<1838:R,A}
 qrt{s>1765:R,s>1529:A,s>1302:zdc,kzp}
 srn{m<3131:zbr,a>3269:phc,x<2610:R,xd}
 lz{m<1282:pzk,s>1085:gld,A}
 spb{x<3144:krj,sx}
 mqz{m>467:sm,m<282:R,s<969:hhs,jfp}
 mff{s<632:A,x>625:R,dzt}
 hgt{m<2577:A,s<3667:A,s>3805:R,R}
 xpv{a<3077:R,R}
 rf{m>3497:gv,a>334:vhk,A}
 rsc{s>1811:A,jk}
 vkl{a>1095:A,a<912:R,R}
 mpn{a>3161:pdk,x>3461:zld,ff}
 pzk{s>1180:R,m>1114:R,x>299:A,R}
 vf{x<492:R,s<3334:R,R}
 kjv{m<719:bc,vhc}
 ks{m>2088:kxl,a>1906:ll,gq}
 vm{m>1632:vb,qcr}
 ph{a<2292:qzf,A}
 xn{x<2461:qln,R}
 px{a<1762:xg,x>3186:jfx,fc}
 fzz{x<3174:mq,a>1103:nn,m<533:bgn,mdq}
 xl{x>116:lmr,m<712:nvq,a>2807:jmf,R}
 br{s>958:xxt,x<537:bnn,a<1228:R,ssr}
 mcl{x>3441:R,s<2530:R,R}
 gn{a<3598:R,a>3777:A,x>861:A,R}
 scg{a>3029:A,s>3661:A,R}
 kr{m<471:R,hz}
 xfc{s>3354:R,R}
 th{a>1860:vf,a>789:pk,mt}
 nm{s<2242:A,x>3062:kz,R}
 xp{m<2732:R,a<441:R,A}
 fzh{a>101:A,x>3191:R,A}
 bn{x<3725:R,a>499:R,R}
 kmh{s>1727:A,a>1678:A,a<1550:A,A}
 dj{m<2927:R,m>3578:A,x>1056:R,A}
 jz{x>3123:A,a>3678:A,x>2902:R,R}
 qq{m<3557:A,m>3852:A,a<1950:R,A}
 nrv{m>1238:qcd,mqz}
 pmd{x>3502:R,gdl}
 ll{s>3570:A,s<3419:R,x>946:A,R}
 td{x<1875:A,a>1161:A,A}
 jt{m>1937:A,s<430:tkv,R}
 pp{s<1233:mzr,m>2932:vsl,ccv}
 ssr{s<903:R,R}
 qcd{m>1677:R,R}
 sv{x<3042:fv,s<3775:tc,m<3706:ct,dm}
 qsg{x>3287:vvt,dbq}
 cdt{x<3342:kx,a>1677:btj,nth}
 jrl{m>1242:A,m>940:R,m<793:R,R}
 dzt{s<732:A,A}
 dk{m>1342:rmq,hdt}
 rn{x<3645:A,R}
 fx{s>1211:jpn,s>785:nrv,m<1357:pd,dcg}
 nvh{a<2086:kmh,x<2940:A,m<2730:R,pms}
 cb{x<581:sd,psf}
 mq{m>678:A,x>2970:qf,a<881:A,ck}
 qfn{s>298:A,R}
 rss{s>1618:rsl,frj}
 sp{x<3759:R,a>512:A,m>3807:R,R}
 dns{m>270:A,x<2335:R,s>3567:R,R}
 dsr{x<2503:R,m>969:A,x>3358:R,A}
 jfs{s>3760:R,R}
 zpq{x<2139:td,s>2466:nl,A}
 vk{s<2893:A,a<803:A,s>2986:R,A}
 rbn{a>3902:zp,m>472:A,R}
 tvn{m<2544:R,A}
 lqf{a<3601:rnx,a<3691:A,fz}
 ls{m<1384:A,R}
 rnk{a>3786:R,m<2367:A,zl}
 pdk{x>3398:R,s>2636:tnq,a>3510:xt,km}
 gm{x>1475:sg,zdv}
 ps{s>2886:A,A}
 ndh{a<979:fkj,a>1636:A,s>2743:tz,nf}
 zhs{s>2501:R,a<3309:A,s>2306:A,R}
 zht{a>1418:A,A}
 fn{x>3198:A,a>3957:R,m>3278:A,A}
 xc{m>1714:xfc,a>2574:cmr,A}
 gld{m<1414:R,x<381:A,m<1444:A,R}
 pz{m>3006:R,A}
 fkp{a>3424:R,m<3526:A,A}
 fqc{a<2473:tv,m>2350:cj,a<2565:xs,vv}
 bnt{s>1011:R,x>3453:A,R}
 xzq{a<3766:lqf,a<3888:kgd,s<1399:zmt,lp}
 clh{a<1003:A,s>3818:A,ntv}
 rq{s>2799:R,m<1088:A,A}
 jfp{s<1113:A,R}
 hh{x<466:A,R}
 md{s>1194:R,R}
 hm{a>1759:gsb,R}
 vb{s>1454:A,s<1082:kxs,a>1134:A,hc}
 rsl{a<3803:gh,st}
 tjb{x>2545:A,x>1949:A,R}
 zsp{s<3356:R,A}
 bg{x>1362:A,R}
 lbf{m>1460:A,mnr}
 bt{s<856:R,s>1189:ppc,x>2845:R,R}
 ct{a<1119:A,x>3291:A,m<3487:A,A}
 drn{s>2455:R,x>3658:A,x>3401:R,A}
 xst{m>2109:R,a>2952:A,a<2839:R,R}
 pr{a>3195:xxm,R}
 rnx{s<926:A,a>3544:R,A}
 ngl{a<2849:kzb,x>1007:R,vq}
 fhq{m<1694:R,m>3210:A,a>1513:A,A}
 ttd{x>952:R,m>216:R,m>132:R,A}
 tg{a>447:R,m<3009:R,s<3685:R,A}
 cgl{x>2271:A,s>3239:R,s<2541:cs,A}
 jh{a>3871:R,s<2611:A,R}
 vlx{m>2576:A,a<3152:R,m>1231:A,R}
 fh{s>1137:R,s<937:R,djf}
 xz{x<2419:sl,x<3456:rt,m>3040:fs,crn}
 pj{a<887:sq,s<3315:A,R}
 kjt{m<990:hqc,nkr}
 tb{m>1009:A,A}
 ppm{a<1310:R,a<1850:R,a<2261:R,R}
 jm{x<1054:R,a<579:R,A}
 fsf{x<3020:R,R}
 xxm{a<3299:R,R}
 pvh{s>929:A,R}
 bfx{a<3017:A,a>3351:gn,grz}
 fp{x<2966:tbv,x<3308:R,R}
 krr{x<677:tvn,A}
 vdz{m<3388:R,x<844:A,R}
 hzf{s>385:R,s<196:A,A}
 jjf{x>3217:A,m<616:qfn,dr}
 nq{x>2432:lg,m<1705:A,R}
 cmn{a<3539:rtg,a>3754:sf,dv}
 sq{a>365:R,m>2615:A,s>3324:A,A}
 xqf{x<554:A,m>1924:A,x>1244:A,R}
 gxc{a<350:A,s>506:fhg,vl}
 qx{a<3727:A,R}
 nzq{m<1027:R,s>1843:R,A}
 rv{a<3212:R,x>3734:R,m>3888:tq,tn}
 lrn{m>1353:kq,s<3039:jv,gx}
 nf{m>2662:A,x<3529:A,m>2179:A,R}
 zlz{a<750:mc,clh}
 kf{a>756:A,R}
 gj{m<1030:A,a>1937:R,R}
 gb{s<3174:A,s<3470:A,A}
 tnq{x>3001:A,R}
 zqv{m>691:A,R}
 kj{x<2954:psp,x>3147:mg,a>3127:mjb,A}
 tgn{a>1711:lkc,s>541:qt,R}
 npt{x<772:R,x>900:R,s<1084:R,A}
 cx{x>3400:lxp,lbv}
 vvt{s>278:R,A}
 vqq{x<3192:R,A}
 tq{s>2456:R,s<2301:R,x>3451:A,A}
 xxx{m<2342:R,A}
 dkr{a<2409:dg,m<1437:lvf,x>1274:gm,qdc}
 fs{s>1657:pbv,m<3482:A,m>3677:R,R}
 tpg{m<1159:A,x>3135:R,gmf}
 qln{a<2906:A,a>2928:R,a<2918:R,A}
 lvf{x<1270:bfx,x<1455:bzz,qk}
 xlq{m<334:A,s>1515:A,A}
 sx{m<1833:tfs,hf}
 gpt{a>2836:zxd,a>2730:R,A}
 krn{x>1155:ckd,s<1260:A,m>2770:A,zht}
 sk{m>348:R,x>1377:A,m>153:A,R}
 rl{a<984:R,R}
 ntd{a<819:dns,qnm}
 grz{x>890:A,a<3172:A,A}
 kt{x>967:A,R}
 qs{m<1546:A,R}
 js{x>3672:qmv,a>2929:hdn,hcs}
 bzz{m<647:sk,bg}
 vv{s>2934:sj,R}
 lbp{s>2775:R,R}
 zxd{x>1854:A,R}
 crn{s>1724:R,rn}
 jc{x>1851:R,s<3672:A,m<3477:A,R}
 xxh{m>1324:qqn,qm}
 pn{s<976:A,m<2297:R,A}
 fv{s>3818:A,s<3658:R,s<3743:R,A}
 ck{x>2824:R,m<316:R,A}
 vdp{x<3490:A,A}
 xq{m>184:A,x>3334:A,A}
 fz{m>3339:R,m>2690:R,x>2493:R,R}
 jf{m<1773:R,x>659:R,A}
 xd{a<3143:A,R}
 svq{a<3528:A,R}
 cl{x>3473:A,R}
 qf{x>3076:A,R}
 ktb{m<3197:A,s<704:R,s>1154:A,A}
 gbj{m<158:R,m<302:R,m>336:R,R}
 ff{s<2459:lmc,s>2743:R,nsj}
 rcn{s>3821:R,x>2847:A,a<2261:R,A}
 xkn{x>2134:R,x>1785:A,A}
 pf{a>3576:A,s>3815:A,s>3737:R,R}
 ntv{s<3659:R,A}
 psf{m>575:R,a<2611:A,m>319:R,R}
 fqz{a>3321:bx,vdp}
 tzp{x<554:ph,a>2615:lm,krn}
 pht{s>625:fh,x>606:ffn,sxb}
 zz{m<1836:ql,s>1299:hp,m<3200:shb,A}
 snl{s>3863:R,a<2001:xnj,kk}
 qdc{a<3128:ngl,a>3442:rnk,x<874:zm,gl}
 rsz{m>1017:R,x<2038:A,m<443:R,dzz}
 frj{m>1063:md,a>3826:rbn,s>1317:lb,zkk}
 bbt{a>3364:A,a<3152:R,R}
 lpg{x>3231:fqz,x<2909:nvk,s<2283:nm,lv}
 sd{s<1984:R,a>1624:A,m<729:A,A}
 spq{x<3000:A,s>148:A,R}
 fsv{s<2728:gj,m<1078:fpf,s>2917:R,R}
 rmq{s<3098:A,x<182:fg,cpn}
 msc{x>326:A,xxx}
 drg{a>1618:hzf,s>486:zjl,a>619:hzc,A}
 hx{x>3100:R,m<249:hnq,R}
 ksc{a>3214:A,x>2913:R,R}
 kxs{x<3497:R,s>949:A,A}
 xv{s>311:A,R}
 kd{x<3492:A,ppm}
 st{s<1839:R,m>810:R,pgj}
 ntb{m>3358:spq,m>2731:zhg,s<116:R,A}
 lqz{a>3814:A,A}
 fb{x>2177:tg,bjd}
 dcg{a<3359:pgb,rch}
 khp{a<2918:A,x>3796:R,m>378:R,A}
 hhs{x<3165:A,R}
 bnn{a<1158:R,x<228:A,A}
 nx{m>469:R,x>3876:R,x<3760:A,A}
 vl{m>1539:A,a>468:A,s>326:R,A}
 qmv{s<3328:R,A}
 rt{m<2818:fbx,R}
 hcs{x<3425:zsp,mk}
 mn{m<2363:A,R}
 sm{m<839:A,x>2835:A,s>1035:A,A}
 zn{x<2270:R,a>798:R,s>3678:R,A}
 qqn{m>1794:jt,a<3748:fdm,gkv}
 hdn{s>3198:A,s>3046:R,ngq}
 mg{x>3205:R,s<2688:R,A}
 sgc{x<3807:fhq,x<3919:A,bh}
 qhl{m>2988:A,x>3259:drn,xpv}
 zbr{x<2841:R,m>2724:R,R}
 rjb{x>2706:R,R}
 qp{m>1140:drg,tgn}
 kkk{s>1408:vzj,m<1501:dnp,s<833:dmc,dcf}
 cmr{a>3290:R,m>1084:R,m>506:R,A}
 lbv{m<3300:R,a<923:A,s<2435:bb,qq}
 mjb{m<3900:R,a>3686:A,R}
 clg{s>1434:nvh,m>3229:rsh,bt}
 hrn{a>3478:R,a>3380:R,m>1194:R,A}
 zhd{s>1275:R,m>3076:R,m<2721:A,R}
 hnq{x>2834:A,R}
 tbt{x>3131:A,m<3435:R,A}
 phc{a>3375:A,a<3306:R,A}
 vq{x<800:R,s>2917:R,x<922:R,R}
 kq{s<3392:sc,a>1260:hm,m>2319:fb,htk}
 fbx{a>3317:A,m<2345:A,R}
 cm{m<2219:R,m>2264:R,R}
 csz{s>3528:R,A}
 nst{x>2459:A,A}
 lf{a<3121:R,x<2716:R,m<818:R,A}
 xsp{x<2980:R,a>2817:A,A}
 qm{x<2949:kr,x<3428:jjf,s<456:jtt,jqn}
 qt{s<744:A,x<1059:R,s>816:R,A}
 zc{x>3545:qx,a>3625:vn,A}
 cxk{a>1449:ntt,s>1617:xbr,s>1504:R,xqf}
 cg{x>2245:zx,x<1956:zbk,vft}
 zkk{m<649:A,a>3680:R,R}
 bx{a<3661:A,x<3529:A,a>3778:R,R}
 mv{s>1300:rsc,khc}
 qjt{x<3376:A,R}
 mgp{x>3029:zq,A}
 fpf{a>1769:R,x>2049:A,s<2923:A,R}
 lhc{s>1662:A,m>1543:A,a<3599:tl,vfn}
 mzr{a<2819:R,R}
 psp{s<2611:A,a>3354:A,a>3056:A,A}
 vc{m<1333:cb,mp}
 bzc{m<1850:R,m<1953:A,R}
 kb{m<2614:mpn,m>3380:zhp,gqd}
 dv{a<3677:cfq,x<3383:R,s<2710:R,rq}
 xh{s<2524:A,R}
 vr{s>754:A,x<643:A,A}
 sj{s<3498:R,s<3711:R,m<1518:A,R}
 bq{a<1413:R,m>3189:A,a<1750:R,R}
 bgn{m<197:A,m<353:gbq,xh}
 jl{x>2858:R,m<476:R,R}
 vbr{x<2055:R,m>2096:A,R}
 ngq{a>3426:R,s<3009:A,a<3210:A,R}
 krj{x>2852:pjd,gf}
 dp{m>1430:A,A}
 xkm{m<1913:kjv,vz}
 vg{x>224:R,a>1513:A,m<323:A,R}
 jmf{s<1182:A,a>3547:A,A}
 vqr{a>3441:ljt,A}
 ckd{m>3131:R,a<1567:R,m>2271:R,A}
 bp{s>3270:A,s>3133:R,R}
 pc{x>3663:A,m<491:R,A}
 mx{m>663:bs,m<622:tjb,gkn}
 qhh{x<1947:A,m>3589:A,R}
 ths{a>2010:dp,R}
 znh{m>662:A,x>2990:R,R}
 fph{a>2941:R,s<1649:R,R}
 nkr{x<1012:npt,m>1326:A,s>1224:R,R}
 zbc{x>2881:R,x>2784:rcn,x>2722:xf,rjb}
 hp{s>1600:R,s>1465:R,a>263:R,R}
 kdf{s>420:R,m>1639:R,x>2176:A,R}
 hkl{s<3823:bn,m>3668:sp,s>3936:A,A}
 lp{m>3026:tbt,s>1876:R,bj}
 zmt{a>3930:fn,a<3915:bcz,ktb}
 jqn{a<3862:pc,m<761:R,a<3938:ldl,A}
 hms{x>3072:A,s<1921:R,A}
 sn{s>774:A,s>753:R,x>547:A,A}
 kx{m>1998:tbn,A}
 mqc{m<2308:A,m>3052:A,m>2635:R,A}
 qdj{a>2946:zgm,a<2669:fqc,m>2271:lzv,ndr}
 xt{a>3826:A,x<3063:A,A}
 kvr{m>1390:R,x>3294:A,R}
 hz{x>2278:A,x<1949:A,A}
 fkj{x<3168:A,s<2741:R,R}
 tn{m<3831:R,s>2560:R,A}
 zjl{s>694:R,R}
 ndr{a<2827:cgl,x<2240:rsz,xn}
 btj{m<1813:qs,m<2042:jg,cm}
 bjd{x<1891:A,s>3600:A,A}
 gjg{m>2075:rjd,a<3588:fx,s<809:xxh,rss}
 zch{s<3538:hl,m<2003:zlz,dz}
 nrf{s>428:vkl,s>146:qsg,a>957:pmd,dxn}
 vhc{s>1085:tpg,jxf}
 lb{m<643:xlq,a>3717:svn,m>911:dsr,ds}
 zdc{x>1803:R,A}
 bzj{s>3689:A,m<2560:R,R}
 flt{s>1360:A,x>2163:A,A}
 qg{s>1039:A,A}
 dm{m<3816:A,s<3853:R,A}
 xmg{m>752:A,x>137:jzj,gsl}
 bcz{a<3903:R,R}
 lkc{a>3188:A,m<900:A,m>1018:A,R}
 jxf{s<527:srg,A}
 gx{m>486:dq,ntd}
 bd{s>2400:A,x>3671:A,s>2281:R,A}
 qc{s<2673:R,A}
 lm{a<3182:dj,a>3635:lqz,a>3407:R,R}
 qnm{m<247:R,a>1687:R,m>389:A,A}
 zq{s>3263:R,s>3111:R,R}
 mk{s>3246:A,m>2016:R,s<3088:A,R}
 rql{a<3077:xsp,s>2761:jl,s>2722:R,A}
 vj{s<2785:ndh,kd}
 in{s>2178:zs,skv}
 xrc{s>712:sn,A}
 jp{a<2589:R,A}
 pgj{a>3929:R,x>2479:A,A}
 jts{x>3530:R,A}
 gv{s>3739:A,R}
 mnr{s>2737:R,A}
 tgt{m>1439:R,s>292:R,A}
 xvs{a<2848:A,A}
 vps{a>3227:A,x<1588:R,A}
 jzj{m<672:A,s<1122:R,R}
 zzp{x<901:ch,R}
 sl{s>1542:A,s>1296:R,x>1931:A,zxz}
 rjd{a>3500:xzq,s<1086:qj,xz}
 kgd{s>1426:A,a>3812:A,R}
 dmc{m<2947:szv,kqx}
 hbk{m<3419:A,R}
 htk{a<729:R,a>1042:A,a>861:R,zn}
 zp{s<1255:A,A}
 qlx{m>1631:R,x>3329:R,R}
 skv{x<1606:kkk,a<1440:ggv,a<3018:xkm,gjg}
 zl{m>3149:A,a>3596:A,R}
 sjc{m>2149:A,A}
 ggv{x>2600:nh,cg}
 pd{a<3356:pr,x<2700:xfj,a<3465:zbd,xv}
 vhk{a<614:A,a>735:A,m>3340:A,R}
 bz{x<2317:R,s<3304:A,A}
 zbd{m>889:zfk,bdh}
 vsj{a<598:zhd,R}
 qzf{a>1455:R,x>340:A,s<1196:R,R}
 dz{m<3157:qv,x>3473:hkl,a>877:sv,rf}
 rtg{a>2957:R,A}
 qk{a>3252:svq,s>3213:R,m>548:cfz,R}
 zx{a>871:sxt,a>314:mn,a>186:zz,nq}
 kcd{x<2880:R,s>94:R,R}
 hqc{m<796:R,m>890:rhd,a<2192:A,xvs}
 ffn{m>350:jp,a<2088:ttd,a>2817:R,R}
 sz{m<1599:R,x>2121:ktx,m<3075:bbt,qhh}
 jtt{a<3836:zqv,m<876:gg,A}
 lmr{a<2718:A,a<3149:R,R}
 zdv{s>3010:R,lr}
 jcl{m<1659:A,R}
 mdq{a<479:R,A}
 dnp{m<537:pht,s<885:qp,x<582:bjg,kjt}
 lxp{m>2932:A,lx}
 kqx{s<513:hbk,a<1592:ncn,a>3119:xrc,kt}
 cnl{x<1035:R,m<2338:A,R}
 mp{m<2347:xpj,a>2221:vdz,bq}
 rgx{s<2542:R,R}
 rb{s<3903:A,A}
 jk{m>2376:R,x>3391:R,m<1198:R,R}
 zgm{s>3092:bzj,sz}
 gt{a>1014:R,m<2365:ls,R}
 jpn{s>1819:hj,a>3326:vqr,ljm}
 nzj{s>254:R,m>2156:R,x<991:jf,qhq}
 gh{m>856:A,nsp}
 kpq{a<110:A,x>3312:R,x<3090:R,R}
 hl{x<3177:pj,bp}
 gs{a<180:R,s>3703:R,R}
 gz{m>3188:R,R}
 lft{s>2829:ps,gbj}
 kzb{m>2754:A,a<2674:A,A}
 vz{a>2453:pp,clg}
 tqc{x<360:dk,zcq}
 bxv{a<2317:A,m<2884:pn,fkp}
 ztl{a<590:R,x<2295:R,x>2529:R,R}
 vkk{a>3382:zc,x>3140:xrl,m<384:lft,rql}
 fbv{s<3805:R,s>3881:R,a>172:R,R}
 gbq{m>279:A,x<3717:R,x<3898:A,R}
 svn{s<1485:R,A}
 skb{s>589:R,s>295:R,x>2063:A,A}
 mc{a>272:A,x>3488:gs,s>3786:A,fsf}
 pbv{x<3811:R,a>3290:A,m<3444:R,A}
 gkn{s<1377:A,A}
 nth{a<1084:bd,A}
 vsl{a<2799:A,a<2901:bgb,fph}
 lr{x<1407:A,s>2654:R,s<2373:A,R}
 dbq{m<1824:R,s>291:R,A}
 hdt{s>3011:R,s>2681:A,bgg}
 nvq{m>597:R,x>47:R,A}
 qj{s>674:pz,s>313:srn,ntb}
 fgp{a>3257:R,mcl}
 pjd{s<3848:vlx,A}
 gmf{s<1729:A,A}
 kzp{x>1746:A,x>1670:A,m>2460:A,A}
 tl{m<888:A,m<1289:A,R}
 zh{m<1334:fzz,s>2674:vj,m<2347:cdt,cx}
 ql{s<1432:A,a>258:R,A}
 rch{s<485:R,vqq}
 hf{a<3208:R,pf}
 bj{x<2870:R,m<2489:A,R}
 zhg{x>3190:A,s>144:R,m<2941:A,R}
 rsh{x<3060:R,a<1833:pm,R}
 ntt{a>1930:R,a<1611:A,A}
 hd{s>1811:A,R}
 dfd{x<2726:A,qg}
 gqd{a>3471:qjt,qhl}
 xrl{x>3598:khp,m>284:lbp,m<100:R,xq}
 zxz{m<2818:A,R}
 vfn{s>1502:R,x>955:R,s>1440:A,R}
 dr{s<370:A,x>3070:R,R}
 cth{a<2210:cxk,a>3174:lhc,krr}
 xbr{m<1775:R,m>3200:A,A}
 nn{m>718:R,x>3641:nx,A}
 dxn{s<55:hr,x>3309:A,a<824:kcd,mqc}
 mt{a<423:R,a>555:R,R}
 hqk{a>2663:A,s<888:R,a<2564:R,A}
 ns{a<2307:lrn,qdj}
 sxb{s>318:vg,hgv}
 ljm{s<1457:A,m>763:A,s>1648:R,A}
 qcr{s<1460:R,m<548:hms,a>1054:A,nzq}
 sxx{a>3455:A,R}
 {x=378,m=450,a=211,s=36}
 {x=220,m=1090,a=338,s=879}
 {x=117,m=124,a=2136,s=128}
 {x=1392,m=1408,a=126,s=16}
 {x=2038,m=278,a=901,s=1801}
 {x=323,m=1703,a=964,s=571}
 {x=265,m=358,a=456,s=34}
 {x=1513,m=144,a=525,s=1341}
 {x=355,m=2036,a=814,s=1179}
 {x=937,m=701,a=2026,s=1349}
 {x=1292,m=766,a=2805,s=16}
 {x=319,m=26,a=83,s=1193}
 {x=600,m=5,a=242,s=76}
 {x=117,m=1415,a=1636,s=1057}
 {x=87,m=1530,a=1686,s=386}
 {x=36,m=957,a=1712,s=300}
 {x=2570,m=49,a=661,s=442}
 {x=643,m=698,a=1593,s=854}
 {x=1450,m=1410,a=289,s=1342}
 {x=1690,m=376,a=584,s=3715}
 {x=1942,m=570,a=1726,s=1192}
 {x=420,m=475,a=1410,s=863}
 {x=550,m=662,a=2140,s=105}
 {x=241,m=2370,a=756,s=26}
 {x=705,m=425,a=1000,s=160}
 {x=1763,m=914,a=197,s=555}
 {x=2267,m=323,a=70,s=147}
 {x=497,m=392,a=1959,s=360}
 {x=428,m=1375,a=415,s=236}
 {x=1800,m=96,a=403,s=1227}
 {x=216,m=381,a=1217,s=1031}
 {x=3129,m=304,a=811,s=1753}
 {x=555,m=59,a=3254,s=2896}
 {x=397,m=1518,a=740,s=496}
 {x=905,m=217,a=1234,s=2319}
 {x=283,m=2490,a=309,s=1156}
 {x=1777,m=624,a=96,s=2053}
 {x=1031,m=481,a=1014,s=198}
 {x=155,m=205,a=2460,s=832}
 {x=123,m=25,a=3962,s=3662}
 {x=3242,m=396,a=519,s=150}
 {x=2632,m=1307,a=3594,s=1714}
 {x=147,m=285,a=1020,s=40}
 {x=1498,m=1133,a=241,s=1263}
 {x=1977,m=323,a=1594,s=241}
 {x=807,m=1042,a=702,s=295}
 {x=70,m=455,a=1328,s=108}
 {x=2392,m=27,a=158,s=44}
 {x=528,m=671,a=2003,s=935}
 {x=1539,m=2002,a=168,s=479}
 {x=2121,m=195,a=901,s=1116}
 {x=251,m=51,a=380,s=745}
 {x=793,m=1959,a=598,s=605}
 {x=137,m=261,a=714,s=1548}
 {x=2783,m=486,a=2065,s=914}
 {x=574,m=387,a=250,s=28}
 {x=3,m=829,a=1862,s=2}
 {x=846,m=2476,a=841,s=1810}
 {x=1020,m=114,a=463,s=323}
 {x=4,m=970,a=192,s=142}
 {x=942,m=2297,a=125,s=1638}
 {x=1664,m=2275,a=2086,s=290}
 {x=682,m=93,a=143,s=2033}
 {x=1613,m=356,a=463,s=632}
 {x=633,m=268,a=150,s=798}
 {x=1743,m=1455,a=56,s=487}
 {x=2774,m=103,a=739,s=77}
 {x=1760,m=2631,a=81,s=138}
 {x=461,m=1688,a=1543,s=1712}
 {x=1182,m=14,a=566,s=3270}
 {x=680,m=467,a=1920,s=297}
 {x=1281,m=2355,a=704,s=1340}
 {x=142,m=65,a=589,s=20}
 {x=1412,m=559,a=677,s=2106}
 {x=905,m=2761,a=1526,s=648}
 {x=399,m=667,a=1901,s=27}
 {x=2241,m=3411,a=1786,s=321}
 {x=1395,m=1278,a=508,s=1112}
 {x=363,m=35,a=218,s=1280}
 {x=829,m=115,a=304,s=192}
 {x=1397,m=599,a=861,s=838}
 {x=824,m=2140,a=88,s=1736}
 {x=661,m=276,a=502,s=731}
 {x=585,m=14,a=705,s=473}
 {x=747,m=95,a=829,s=805}
 {x=2006,m=323,a=982,s=168}
 {x=795,m=193,a=473,s=1531}
 {x=687,m=428,a=972,s=1154}
 {x=254,m=426,a=281,s=552}
 {x=171,m=369,a=382,s=1369}
 {x=964,m=10,a=322,s=2007}
 {x=1960,m=183,a=2153,s=1967}
 {x=2315,m=170,a=41,s=727}
 {x=189,m=901,a=307,s=3026}
 {x=757,m=1235,a=1316,s=335}
 {x=836,m=3023,a=453,s=2355}
 {x=2187,m=2140,a=683,s=2560}
 {x=1772,m=468,a=1812,s=1329}
 {x=783,m=601,a=1339,s=3291}
 {x=570,m=172,a=1794,s=120}
 {x=1207,m=1572,a=700,s=758}
 {x=1961,m=3652,a=702,s=153}
 {x=1094,m=435,a=19,s=938}
 {x=3328,m=166,a=247,s=216}
 {x=1500,m=2012,a=1561,s=59}
 {x=12,m=2269,a=8,s=796}
 {x=193,m=1137,a=328,s=13}
 {x=120,m=1179,a=59,s=1829}
 {x=499,m=650,a=1049,s=1803}
 {x=2761,m=1431,a=389,s=1322}
 {x=456,m=2766,a=2165,s=348}
 {x=2387,m=12,a=2140,s=556}
 {x=387,m=7,a=1514,s=1137}
 {x=1111,m=608,a=581,s=965}
 {x=1055,m=181,a=754,s=67}
 {x=74,m=2582,a=66,s=546}
 {x=5,m=956,a=1013,s=657}
 {x=262,m=189,a=2496,s=233}
 {x=518,m=2821,a=851,s=825}
 {x=351,m=1981,a=221,s=34}
 {x=995,m=165,a=36,s=2286}
 {x=1636,m=335,a=936,s=447}
 {x=763,m=692,a=1527,s=210}
 {x=301,m=559,a=1815,s=2640}
 {x=959,m=2852,a=232,s=53}
 {x=136,m=153,a=206,s=11}
 {x=1533,m=42,a=2014,s=136}
 {x=341,m=378,a=37,s=577}
 {x=220,m=1451,a=185,s=421}
 {x=1086,m=3265,a=1184,s=2960}
 {x=143,m=2701,a=602,s=173}
 {x=628,m=1016,a=1642,s=223}
 {x=597,m=641,a=1331,s=651}
 {x=809,m=1843,a=1111,s=2189}
 {x=1385,m=1352,a=238,s=1969}
 {x=515,m=1374,a=125,s=913}
 {x=798,m=2743,a=1798,s=1045}
 {x=2999,m=1787,a=1168,s=188}
 {x=57,m=77,a=2652,s=56}
 {x=1231,m=304,a=1288,s=523}
 {x=1031,m=381,a=558,s=267}
 {x=721,m=883,a=2995,s=22}
 {x=304,m=846,a=1525,s=30}
 {x=446,m=2969,a=412,s=674}
 {x=187,m=418,a=1187,s=571}
 {x=810,m=515,a=819,s=1393}
 {x=740,m=3392,a=1128,s=1114}
 {x=137,m=631,a=1208,s=1707}
 {x=653,m=2468,a=952,s=811}
 {x=33,m=70,a=518,s=464}
 {x=3318,m=2,a=3661,s=64}
 {x=50,m=548,a=1657,s=704}
 {x=2272,m=2684,a=1597,s=2220}
 {x=185,m=339,a=460,s=517}
 {x=8,m=1651,a=1810,s=354}
 {x=548,m=833,a=1703,s=759}
 {x=551,m=358,a=390,s=468}
 {x=202,m=2260,a=597,s=632}
 {x=453,m=1811,a=754,s=2449}
 {x=353,m=101,a=1835,s=72}
 {x=1451,m=453,a=162,s=13}
 {x=125,m=2120,a=627,s=981}
 {x=5,m=283,a=1755,s=194}
 {x=973,m=835,a=62,s=1184}
 {x=346,m=1348,a=442,s=210}
 {x=4,m=1242,a=136,s=196}
 {x=2388,m=1336,a=1991,s=2873}
 {x=561,m=2335,a=1059,s=627}
 {x=838,m=3226,a=159,s=1053}
 {x=2578,m=49,a=1920,s=2432}
 {x=710,m=342,a=182,s=534}
 {x=1997,m=1509,a=946,s=1849}
 {x=810,m=249,a=495,s=257}
 {x=363,m=274,a=2742,s=25}
 {x=506,m=565,a=2584,s=731}
 {x=508,m=2073,a=21,s=1826}
 {x=1413,m=780,a=779,s=378}
 {x=1097,m=47,a=98,s=402}
 {x=536,m=2,a=2710,s=1499}
 {x=548,m=2845,a=2095,s=555}
 {x=2963,m=2206,a=1920,s=875}
 {x=1783,m=367,a=1245,s=594}
 {x=409,m=18,a=408,s=119}
 {x=1554,m=3613,a=3002,s=87}
 {x=232,m=197,a=63,s=1372}
 {x=412,m=1355,a=1673,s=1667}
 {x=261,m=142,a=123,s=1187}
 {x=1396,m=779,a=287,s=60}
 {x=28,m=1350,a=585,s=861}
 {x=1123,m=329,a=1166,s=62}
 {x=2292,m=73,a=123,s=596}
 {x=2400,m=1430,a=390,s=1313}
 {x=638,m=2856,a=44,s=488}
 {x=294,m=1534,a=1075,s=1914}
 {x=1233,m=71,a=253,s=3058}
 {x=1536,m=805,a=158,s=738}
 {x=2903,m=119,a=2344,s=2387}
 {x=142,m=1768,a=940,s=881}
 {x=301,m=2748,a=739,s=766}
 {x=127,m=18,a=141,s=1398}
@@ -0,0 +1,255 @@
 package main
 import (
 	"bufio"
 	_ "embed"
 	"fmt"
 	"strings"
 	aoc "go.sour.is/advent-of-code"
 )
 // var log = aoc.Log
 func main() { aoc.MustResult(aoc.Runner(run)) }
 type result struct {
 	valuePT1 int
 	valuePT2 uint
 }
 func (r result) String() string { return fmt.Sprintf("%#v", r) }
 func run(scan *bufio.Scanner) (*result, error) {
 	var workflows = make(map[string][]rule)
 	var parts []part
 	for scan.Scan() {
 		text := strings.TrimSuffix(scan.Text(), "}")
 		if len(text) == 0 {
 			continue
 		}
 		// Is Part
 		if p, ok := scanPart(text); ok {
 			parts = append(parts, p)
 			continue
 		}
 		if name, r, ok := scanRule(text); ok {
 			workflows[name] = r
 		}
 	}
 	var result result
 	result.valuePT1 = solveWorkflow(parts, workflows)
 	result.valuePT2 = solveRanges(workflows)
 	return &result, nil
 }
 type part struct {
 	x, m, a, s int
 }
 func (p part) String() string {
 	return fmt.Sprintf("{x:%v m:%v a:%v s:%v}", p.x, p.m, p.a, p.s)
 }
 func scanPart(text string) (part, bool) {
 	var p part
 	// Is Part
 	if text[0] == '{' {
 		for _, s := range strings.Split(text[1:], ",") {
 			a, b, _ := strings.Cut(s, "=")
 			i := aoc.Atoi(b)
 			switch a {
 			case "x":
 				p.x = i
 			case "m":
 				p.m = i
 			case "a":
 				p.a = i
 			case "s":
 				p.s = i
 			}
 		}
 		return p, true
 	}
 	return p, false
 }
 type rule struct {
 	match string
 	op    string
 	value int
 	queue string
 }
 func scanRule(text string) (string, []rule, bool) {
 	name, text, _ := strings.Cut(text, "{")
 	var r []rule
 	for _, s := range strings.Split(text, ",") {
 		if a, b, ok := strings.Cut(s, "<"); ok {
 			b, c, _ := strings.Cut(b, ":")
 			r = append(r, rule{
 				match: a,
 				op:    "<",
 				value: aoc.Atoi(b),
 				queue: c,
 			})
 			continue
 		}
 		if a, b, ok := strings.Cut(s, ">"); ok {
 			b, c, _ := strings.Cut(b, ":")
 			r = append(r, rule{
 				match: a,
 				op:    ">",
 				value: aoc.Atoi(b),
 				queue: c,
 			})
 			continue
 		}
 		// default queue comes last
 		r = append(r, rule{queue: s})
 		break
 	}
 	return name, r, len(r) > 0
 }
 func (r rule) Match(p part) bool {
 	var value int
 	switch r.match {
 	case "x":
 		value = p.x
 	case "m":
 		value = p.m
 	case "a":
 		value = p.a
 	case "s":
 		value = p.s
 	default:
 		return true // default to new queue
 	}
 	if r.op == ">" && value > r.value {
 		return true
 	} else if r.op == "<" && value < r.value {
 		return true
 	}
 	return false // no match
 }
 func solveWorkflow(parts []part, workflows map[string][]rule) int {
 	// var rejected []part
 	var accepted []part
 	for _, p := range parts {
 		workflow := "in"
 	nextStep:
 		for workflow != "" {
 			for _, r := range workflows[workflow] {
 				if !r.Match(p) {
 					continue
 				}
 				workflow = r.queue
 				if workflow == "A" {
 					accepted = append(accepted, p)
 					workflow = ""
 					break nextStep
 				}
 				if workflow == "R" {
 					// rejected = append(rejected, p)
 					workflow = ""
 					break nextStep
 				}
 				continue nextStep
 			}
 		}
 	}
 	sum := 0
 	for _, p := range accepted {
 		sum += p.x
 		sum += p.m
 		sum += p.a
 		sum += p.s
 	}
 	return sum
 }
 func solveRanges(workflows map[string][]rule) uint {
 	pq := aoc.PriorityQueue(func(a, b *queue) bool { return false })
 	pq.Insert(&queue{
 		"in",
 		block{
 			ranger{1, 4000},
 			ranger{1, 4000},
 			ranger{1, 4000},
 			ranger{1, 4000},
 		}})
 	var accepted []block
 	// var rejected []block
 	for !pq.IsEmpty() {
 		current := pq.ExtractMin()
 		for _, rule := range workflows[current.name] {
 			next := &queue{name: rule.queue, block: current.block}
 			switch rule.match {
 			case "x":
 				current.x, next.x = split(current.x, rule.value, rule.op == ">")
 			case "m":
 				current.m, next.m = split(current.m, rule.value, rule.op == ">")
 			case "a":
 				current.a, next.a = split(current.a, rule.value, rule.op == ">")
 			case "s":
 				current.s, next.s = split(current.s, rule.value, rule.op == ">")
 			}
 			switch next.name {
 			case "R":
 				// rejected = append(rejected, next.block)
 			case "A":
 				accepted = append(accepted, next.block)
 			default:
 				pq.Insert(next)
 			}
 		}
 	}
 	var sum uint
 	for _, a := range accepted {
 		sum += uint((a.x[1] - a.x[0] + 1) * (a.m[1] - a.m[0] + 1) * (a.a[1] - a.a[0] + 1) * (a.s[1] - a.s[0] + 1))
 	}
 	return sum
 }
 type ranger [2]int
 type block struct {
 	x, m, a, s ranger
 }
 type queue struct {
 	name string
 	block
 }
 func split(a ranger, n int, gt bool) (current ranger, next ranger) {
 	if gt { // x > N => [0,N] [N++,inf]
 		return ranger{a[0], n}, ranger{n + 1, a[1]}
 	}
 	// x < N => [N,inf] [0,N--]
 	return ranger{n, a[1]}, ranger{a[0], n - 1}
 }
@@ -0,0 +1,41 @@
 package main
 import (
 	"bufio"
 	"bytes"
 	"testing"
 	_ "embed"
 	"github.com/matryer/is"
 )
 //go:embed example.txt
 var example []byte
 //go:embed input.txt
 var input []byte
 func TestExample(t *testing.T) {
 	is := is.New(t)
 	scan := bufio.NewScanner(bytes.NewReader(example))
 	result, err := run(scan)
 	is.NoErr(err)
 	t.Log(result)
 	is.Equal(result.valuePT1, 19114)
 	is.Equal(result.valuePT2, uint(167409079868000))
 }
 func TestSolution(t *testing.T) {
 	is := is.New(t)
 	scan := bufio.NewScanner(bytes.NewReader(input))
 	result, err := run(scan)
 	is.NoErr(err)
 	t.Log(result)
 	is.Equal(result.valuePT1, 377025)
 	is.Equal(result.valuePT2, uint(135506683246673))
 }
@@ -0,0 +1,5 @@
 broadcaster -> a, b, c
 %a -> b
 %b -> c
 %c -> inv
 &inv -> a
@@ -0,0 +1,5 @@
 broadcaster -> a
 %a -> inv, con
 &inv -> b
 %b -> con
 &con -> output
@@ -0,0 +1,58 @@
 %vg -> lf, vd
 %dr -> kg
 %cn -> mv, pt
 %rq -> bk, gr
 %vp -> lp, bk
 %kg -> lv
 %lv -> jc, tp
 %sj -> rm, vd
 %jc -> tp, qr
 %km -> tp, dr
 %jx -> cn
 &vd -> tf, lf, nb, cx, hx, lr
 %lp -> jt, bk
 %vj -> ps
 broadcaster -> km, lr, xh, rf
 %dj -> pt, gc
 %cg -> vd, hx
 &ln -> tg
 %fl -> pt, sk
 %lm -> tr, bk
 %lr -> vd, vg
 &pt -> vq, rf, cm, jx, rg
 %cx -> gp
 %gp -> vd, sj
 &db -> tg
 %st -> vd
 %jt -> bk
 %jh -> lm, bk
 %xf -> bd, tp
 %gc -> cm, pt
 &tp -> dr, km, kg, db, vj, qr
 %ps -> xf, tp
 %rf -> pt, dj
 %lf -> nb
 %bd -> tp, gg
 %dk -> tp, vj
 %mn -> jh, bk
 &tg -> rx
 %ql -> bk, zx
 %tr -> bk, vp
 %sk -> pt
 %nb -> cg
 %sb -> vd, cx
 %qr -> dk
 %xh -> bk, ql
 %rg -> sd
 %hx -> sb
 %sd -> pt, jx
 %gr -> bk, mn
 %gg -> tp
 %zx -> rq
 &bk -> xh, ln, zx
 %rm -> st, vd
 %hq -> fl, pt
 &vq -> tg
 %cm -> rg
 &tf -> tg
 %mv -> pt, hq
@@ -0,0 +1,282 @@
 package main
 import (
 	"bufio"
 	_ "embed"
 	"fmt"
 	"strings"
 	aoc "go.sour.is/advent-of-code"
 	"golang.org/x/exp/maps"
 )
 // var log = aoc.Log
 func main() { aoc.MustResult(aoc.Runner(run)) }
 type result struct {
 	valuePT1 int
 	valuePT2 int
 }
 func (r result) String() string { return fmt.Sprintf("%#v", r) }
 func run(scan *bufio.Scanner) (*result, error) {
 	m := &machine{}
 	receivers := make(map[string][]string)
 	for scan.Scan() {
 		text := scan.Text()
 		name, text, _ := strings.Cut(text, " -> ")
 		dest := strings.Split(text, ", ")
 		switch {
 		case name == "broadcaster":
 			m.Add(name, &broadcaster{dest: dest})
 		case strings.HasPrefix(name, "%"):
 			name = strings.TrimPrefix(name, "%")
 			m.Add(name, &flipflop{name: name, dest: dest})
 		case strings.HasPrefix(name, "&"):
 			name = strings.TrimPrefix(name, "&")
 			m.Add(name, &conjunction{name: name, dest: dest})
 		}
 		for _, d := range dest {
 			// rx is present so enable pt 2
 			if d == "rx" {
 				m.Add("rx", &rx{})
 			}
 			receivers[d] = append(receivers[d], name)
 		}
 	}
 	m.setup(receivers)
 	result := &result{}
 	for i := 0; i < 10_000; i++ { // need enough presses to find the best LCM values for each conjunction
 		if i == 1000 {
 			result.valuePT1 = m.highPulses * m.lowPulses
 		}
 		m.Push(i)
 	}
 	// rx is present.. perform part 2.
 	if rx, ok := receivers["rx"]; ok {
 		tip := m.m[rx[0]].(*conjunction) // panic if missing!
 		var lvalues []int
 		for k, v := range tip.pushes {
 			for i, h := range makeHistory(v) {
 				if i == 1 && len(h) > 0 && h[0] > 0 {
 					fmt.Println(tip.name, k, "frequency", h[0])
 					lvalues = append(lvalues, h[0])
 				}
 			}
 		}
 		result.valuePT2 = aoc.LCM(lvalues...)
 		fmt.Println(tip.name, "LCM", result.valuePT2, lvalues)
 	}
 	return result, nil
 }
 type signal bool
 const (
 	LOW  signal = false
 	HIGH signal = true
 )
 type message struct {
 	signal
 	from, to string
 }
 type machine struct {
 	m map[string]pulser
 	queue []message
 	press      int
 	highPulses int
 	lowPulses  int
 }
 func (m *machine) Add(name string, p pulser) {
 	if m.m == nil {
 		m.m = make(map[string]pulser)
 	}
 	p.SetMachine(m)
 	m.m[name] = p
 }
 func (m *machine) Send(msgs ...message) {
 	m.queue = append(m.queue, msgs...)
 	for _, msg := range msgs {
 		// fmt.Println(msg)
 		if msg.signal {
 			m.highPulses++
 		} else {
 			m.lowPulses++
 		}
 	}
 }
 func (m *machine) Push(i int) {
 	m.press = i
 	m.Send(generate(LOW, "button", "broadcaster")...)
 	m.processQueue(i)
 }
 func (m *machine) processQueue(i int) {
 	// look for work and process up to the queue length. repeat.
 	hwm := 0
 	for hwm < len(m.queue) {
 		end := len(m.queue)
 		for ; hwm < end; hwm++ {
 			msg := m.queue[hwm]
 			if p, ok := m.m[msg.to]; ok {
 				// fmt.Println(i, "S:", m.m[msg.from], msg.signal, "R:", p)
 				p.Pulse(msg)
 			}
 		}
 		hwm = 0
 		copy(m.queue, m.queue[end:])
 		m.queue = m.queue[:len(m.queue)-end]
 		// fmt.Println("")
 	}
 }
 func (m *machine) setup(receivers map[string][]string) {
 	for name, recv := range receivers {
 		if p, ok := m.m[name]; ok {
 			if p, ok := p.(interface{ Receive(...string) }); ok {
 				p.Receive(recv...)
 			}
 		}
 	}
 }
 type pulser interface {
 	Pulse(message)
 	SetMachine(*machine)
 }
 // IsModule implements the machine registration for each module.
 type IsModule struct {
 	*machine
 }
 func (p *IsModule) SetMachine(m *machine) { p.machine = m }
 type broadcaster struct {
 	dest []string
 	IsModule
 }
 func (b *broadcaster) Pulse(msg message) {
 	b.Send(generate(msg.signal, "broadcaster", b.dest...)...)
 }
 type flipflop struct {
 	name  string
 	state signal
 	dest  []string
 	IsModule
 }
 func (b *flipflop) Pulse(msg message) {
 	if !msg.signal {
 		b.state = !b.state
 		b.Send(generate(b.state, b.name, b.dest...)...)
 	}
 }
 type conjunction struct {
 	name  string
 	state map[string]signal
 	dest  []string
 	pushes map[string][]int
 	IsModule
 }
 func (b *conjunction) Receive(names ...string) {
 	if b.state == nil {
 		b.state = make(map[string]signal)
 		b.pushes = make(map[string][]int)
 	}
 	for _, name := range names {
 		b.state[name] = false
 		b.pushes[name] = []int{}
 	}
 }
 func (b *conjunction) Pulse(msg message) {
 	b.state[msg.from] = msg.signal
 	if msg.signal {
 		// collect frequency of pushes to esti,ate rate
 		b.pushes[msg.from] = append(b.pushes[msg.from], b.press)
 	}
 	if all(HIGH, maps.Values(b.state)...) {
 		b.Send(generate(LOW, b.name, b.dest...)...)
 		return
 	}
 	b.Send(generate(HIGH, b.name, b.dest...)...)
 }
 type rx struct {
 	IsModule
 }
 func (rx *rx) Pulse(msg message) {
 	if !msg.signal {
 		panic("pulse received") // will never happen...
 	}
 }
 // helper funcs
 func all[T comparable](match T, lis ...T) bool {
 	for _, b := range lis {
 		if b != match {
 			return false
 		}
 	}
 	return true
 }
 func generate(t signal, from string, destinations ...string) []message {
 	msgs := make([]message, len(destinations))
 	for i, to := range destinations {
 		msgs[i] = message{signal: t, from: from, to: to}
 	}
 	return msgs
 }
 // makeHistory from day 9
 func makeHistory(in []int) [][]int {
 	var history [][]int
 	history = append(history, in)
 	// for {
 	var diffs []int
 	current := history[len(history)-1]
 	for i := range current[1:] {
 		diffs = append(diffs, current[i+1]-current[i])
 	}
 	history = append(history, diffs)
 	// if len(diffs) == 0 || aoc.Max(diffs[0], diffs[1:]...) == 0 && aoc.Min(diffs[0], diffs[1:]...) == 0 {
 	// 	break
 	// }
 	// }
 	return history
 }
@@ -0,0 +1,56 @@
 package main
 import (
 	"bufio"
 	"bytes"
 	"testing"
 	_ "embed"
 	"github.com/matryer/is"
 )
 //go:embed example1.txt
 var example1 []byte
 //go:embed example2.txt
 var example2 []byte
 //go:embed input.txt
 var input []byte
 func TestExample1(t *testing.T) {
 	is := is.New(t)
 	scan := bufio.NewScanner(bytes.NewReader(example1))
 	result, err := run(scan)
 	is.NoErr(err)
 	t.Log(result)
 	is.Equal(result.valuePT1, 32000000)
 	is.Equal(result.valuePT2, 0)
 }
 func TestExample2(t *testing.T) {
 	is := is.New(t)
 	scan := bufio.NewScanner(bytes.NewReader(example2))
 	result, err := run(scan)
 	is.NoErr(err)
 	t.Log(result)
 	is.Equal(result.valuePT1, 11687500)
 	is.Equal(result.valuePT2, 0)
 }
 func TestSolution(t *testing.T) {
 	is := is.New(t)
 	scan := bufio.NewScanner(bytes.NewReader(input))
 	result, err := run(scan)
 	is.NoErr(err)
 	t.Log(result)
 	is.Equal(result.valuePT1, 819397964)
 	is.Equal(result.valuePT2, 252667369442479)
 }
@@ -1,5 +1,8 @@
-module go.sour.is/advent-of-code-2023
+module go.sour.is/advent-of-code
-go 1.21.3
+go 1.22.0
-require github.com/matryer/is v1.4.1
+require (
 	github.com/matryer/is v1.4.1
 	golang.org/x/exp v0.0.0-20231214170342-aacd6d4b4611
 )
@@ -1,2 +1,4 @@
 github.com/matryer/is v1.4.1 h1:55ehd8zaGABKLXQUe2awZ99BD/PTc2ls+KV/dXphgEQ=
 github.com/matryer/is v1.4.1/go.mod h1:8I/i5uYgLzgsgEloJE1U6xx5HkBQpAZvepWuujKwMRU=
 golang.org/x/exp v0.0.0-20231214170342-aacd6d4b4611 h1:qCEDpW1G+vcj3Y7Fy52pEM1AWm3abj8WimGYejI3SC4=
 golang.org/x/exp v0.0.0-20231214170342-aacd6d4b4611/go.mod h1:iRJReGqOEeBhDZGkGbynYwcHlctCvnjTYIamk7uXpHI=
@@ -0,0 +1,246 @@
 package aoc
 import (
 	"cmp"
 	"fmt"
 	"sort"
 	"strings"
 	"golang.org/x/exp/maps"
 )
 type Vector struct {
 	Offset Point[int]
 	Scale  int
 }
 func (v Vector) Point() Point[int] {
 	return v.Offset.Scale(v.Scale)
 }
 type Point[T integer] [2]T
 func (p Point[T]) Add(a Point[T]) Point[T] {
 	return Point[T]{p[0] + a[0], p[1] + a[1]}
 }
 func (p Point[T]) Scale(m T) Point[T] {
 	return Point[T]{p[0] * m, p[1] * m}
 }
 func (p Point[T]) Less(b Point[T]) bool {
 	if p[0] != b[0] {
 		return p[0] < b[0]
 	}
 	return p[1] < b[1]
 }
 func Transpose[T any](matrix [][]T) [][]T {
 	rows, cols := len(matrix), len(matrix[0])
 	m := make([][]T, cols)
 	for i := range m {
 		m[i] = make([]T, rows)
 	}
 	for i := 0; i < cols; i++ {
 		for j := 0; j < rows; j++ {
 			m[i][j] = matrix[j][i]
 		}
 	}
 	return m
 }
 // NumPoints the number of the points inside an outline plus the number of points in the outline
 func NumPoints(outline []Point[int], borderLength int) int {
 	// shoelace - find the float area in a shape
 	sum := 0
 	for _, p := range Pairwise(outline) {
 		row1, col1 := p[0][0], p[0][1]
 		row2, col2 := p[1][0], p[1][1]
 		sum += row1*col2 - row2*col1
 	}
 	area := sum / 2
 	// pick's theorem - find the number of points in a shape given its area
 	return (ABS(area) - borderLength/2 + 1) + borderLength
 }
 type Map[I integer, T any] [][]T
 func (m *Map[I, T]) Get(p Point[I]) (Point[I], T, bool) {
 	var zero T
 	if !m.Valid(p) {
 		return [2]I{0, 0}, zero, false
 	}
 	return p, (*m)[p[0]][p[1]], true
 }
 func (m *Map[I, T]) Size() (I, I) {
 	if m == nil || len(*m) == 0 {
 		return 0, 0
 	}
 	return I(len(*m)), I(len((*m)[0]))
 }
 func (m *Map[I, T]) Valid(p Point[I]) bool {
 	rows, cols := m.Size()
 	return p[0] >= 0 && p[0] < rows && p[1] >= 0 && p[1] < cols
 }
 type cmap[C number, N comparable] struct {
 	base      pather[C, N]
 	neighbors map[N]map[N]C
 }
 func (m *cmap[C, N]) Cost(a, b N) C {
 	if v, ok := m.neighbors[a]; ok {
 		return v[b]
 	}
 	return 0
 }
 func (m *cmap[C, N]) Neighbors(n N) []N {
 	if v, ok := m.neighbors[n]; ok {
 		return maps.Keys(v)
 	}
 	return nil
 }
 func (m *cmap[C, N]) Target(n N, c C) bool {
 	return m.base.Target(n, c)
 }
 func (m *cmap[C, N]) String() string {
 	var b = &strings.Builder{}
 	for k, nbs := range m.neighbors {
 		fmt.Fprintln(b, k)
 		for to, c := range nbs {
 			fmt.Fprintln(b, "  ", to, c)
 		}
 	}
 	return b.String()
 }
 func CompressMap[C number, N comparable](p pather[C, N], start N) pather[C, N] {
 	var next = []N{start}
 	var visited = make(map[N]map[N]C)
 	var n N
 	for len(next) > 0 {
 		n, next = next[len(next)-1], next[:len(next)-1]
 		if _, ok := visited[n]; ok {
 			continue
 		}
 		nbs := p.Neighbors(n)
 		if len(nbs) == 2 {
 			a, b := nbs[0], nbs[1]
 			if to, ok := visited[a]; ok {
 				to[b] = to[n] + p.Cost(n, b)
 				delete(to, n)
 				visited[a] = to
 			} else if to, ok := visited[b]; ok {
 				to[a] = to[n] + p.Cost(n, a)
 				delete(to, n)
 				visited[b] = to
 			}
 			continue
 		}
 		visited[n] = make(map[N]C)
 		next = append(next, nbs...)
 		for _, to := range nbs {
 			visited[n][to] = p.Cost(n, to)
 		}
 	}
 	return &cmap[C, N]{base: p, neighbors: visited}
 }
 type adjacencyList[V any, C comparable] map[C][]V
 type graph[V any, W cmp.Ordered, C comparable] map[C]*vertex[V, W]
 type graphOption[V any, W cmp.Ordered, C comparable] func(g *graph[V, W, C])
 type vertex[V any, W cmp.Ordered] struct {
 	Value V
 	Edges edges[V, W]
 }
 func (v *vertex[V, W]) Neighbors() []V {
 	var nbs []V
 	sort.Sort(v.Edges)
 	for _, e := range v.Edges {
 		nbs = append(nbs, e.Vertex.Value)
 	}
 	return nbs
 }
 type edge[V any, W cmp.Ordered] struct {
 	Vertex *vertex[V, W]
 	Weight W
 }
 type edges[V any, W cmp.Ordered] []edge[V, W]
 func (e edges[V, W]) Len() int           { return len(e) }
 func (e edges[V, W]) Less(i, j int) bool { return e[i].Weight < e[j].Weight }
 func (e edges[V, W]) Swap(i, j int)      { e[i], e[j] = e[j], e[i] }
 func Graph[V any, W cmp.Ordered, C comparable](opts ...graphOption[V, W, C]) *graph[V, W, C] {
 	g := make(graph[V, W, C])
 	for _, opt := range opts {
 		opt(&g)
 	}
 	return &g
 }
 func (g *graph[V, W, C]) AddVertex(id C, value V) {
 	(*g)[id] = &vertex[V, W]{Value: value}
 }
 func (g *graph[V, W, C]) AddEdge(from, to C, w W) {
 	if g == nil {
 		return
 	}
 	if _, ok := (*g)[from]; !ok {
 		return
 	}
 	if _, ok := (*g)[to]; !ok {
 		return
 	}
 	(*g)[from].Edges = append((*g)[from].Edges, edge[V, W]{(*g)[to], w})
 }
 func (g *graph[V, W, C]) Neighbors(v C) []V {
 	if g == nil {
 		return nil
 	}
 	return (*g)[v].Neighbors()
 }
 func (g *graph[V, W, C]) AdjacencyList() adjacencyList[V, C] {
 	m := make(map[C][]V)
 	for id, v := range *g {
 		if len(v.Edges) == 0 {
 			continue
 		}
 		m[id] = v.Neighbors()
 	}
 	return m
 }
 func WithAdjacencyList[W cmp.Ordered, C comparable](list adjacencyList[C, C]) graphOption[C, W, C] {
 	var zeroW W
 	return func(g *graph[C, W, C]) {
 		for vertex, edges := range list {
 			if _, ok := (*g)[vertex]; !ok {
 				g.AddVertex(vertex, vertex)
 			}
 			// add edges to vertex
 			for _, edge := range edges {
 				// add edge as vertex, if not added
 				if _, ok := (*g)[edge]; !ok {
 					g.AddVertex(edge, edge)
 				}
 				g.AddEdge(vertex, edge, zeroW) // no weights in this adjacency list
 			}
 		}
 	}
 }
@@ -0,0 +1,69 @@
 package main
 import "fmt"
 import "os"
 import "bufio"
 import "strconv"
 import "strings"
 var input1 = strings.NewReader(`
 6
 1 2 5 3 6 4
 `)
 var input2 = strings.NewReader(`
 15
 1 14 3 7 4 5 15 6 13 10 11 2 12 8 9
 `)
 var input3 = os.Stdin
 func main() {
 	var length int
    var tree *node
    scanner := bufio.NewScanner(input1)
    for scanner.Scan() {
 		if length == 0 {
 			length, _ = strconv.Atoi(scanner.Text())
 			continue
 		}
        for _, txt := range strings.Fields(scanner.Text()) {		
 			if v, err := strconv.Atoi(txt); err == nil {
                tree = insert(tree, &node{value: v})
            }
        }
    }
    foo(input{1, "hi"})
    fmt.Println(tree)
 }
 type node struct {
    value int
    left *node
    right *node
 }
 func insert(root, n *node) *node {
        if root == nil {
            return n
        }
        if root.value > n.value {
            root.left = insert(root.left, n)
            return root
        }
        root.right = insert(root.right, n)
        return root
 }
 func (n *node) String() string {
    if n == nil { return "" }
    return fmt.Sprintf("%v %v%v", n.value, n.left.String(), n.right.String())
 }
 type input struct{a int; b string}
 func foo (in input) {}
@@ -0,0 +1,109 @@
 package main
 import (
 	"bufio"
 	"fmt"
 	"io"
 	"os"
 	"strconv"
 	"strings"
 	aoc "go.sour.is/advent-of-code"
 )
 /*
 * Complete the 'cookies' function below.
 *
 * The function is expected to return an INTEGER.
 * The function accepts following parameters:
 *  1. INTEGER k
 *  2. INTEGER_ARRAY A
 */
 func cookies(k int32, A []int32) int32 {
 	var i int32
 	// fmt.Println(" ", A)
 	// sort.Slice(A, func(i, j int) bool { return A[j] < A[i]})
 	// for A[len(A)-1] < k {
 	//     if len(A) < 2 {
 	//         return -1
 	//     }
 	//     // fmt.Println(" ", A[len(A)-1], " + 2x", A[len(A)-2], 2*A[len(A)-2] + A[len(A)-1])
 	//     A[len(A)-2] = 2*A[len(A)-2] + A[len(A)-1]
 	//     A = A[:len(A)-1]
 	//     for j:=len(A)-1; j>0 && A[j] > A[j-1]; j-- {
 	//         A[j], A[j-1] = A[j-1], A[j]
 	//     }
 	//     i++
 	//     fmt.Println("A", len(A), i)
 	// }
 	pq := aoc.FibHeap(func(a, b *int32) bool { return *a < *b })
 	for i := range A {
 		pq.Insert(&A[i])
 	}
 	for !pq.IsEmpty() && *pq.GetMin() < k {
 		first := *pq.ExtractMin()
 		second := *pq.ExtractMin()
 		third := first + 2*second
 		pq.Insert(&third)
 		i++
 	}
 	return i
 }
 func main() {
 	reader := bufio.NewReaderSize(os.Stdin, 16*1024*1024)
 	stdout, err := os.Create("/dev/stderr")
 	checkError(err)
 	defer stdout.Close()
 	writer := bufio.NewWriterSize(stdout, 16*1024*1024)
 	firstMultipleInput := strings.Split(strings.TrimSpace(readLine(reader)), " ")
 	nTemp, err := strconv.ParseInt(firstMultipleInput[0], 10, 64)
 	checkError(err)
 	n := int32(nTemp)
 	kTemp, err := strconv.ParseInt(firstMultipleInput[1], 10, 64)
 	checkError(err)
 	k := int32(kTemp)
 	ATemp := strings.Split(strings.TrimSpace(readLine(reader)), " ")
 	var A []int32
 	for i := 0; i < int(n); i++ {
 		AItemTemp, err := strconv.ParseInt(ATemp[i], 10, 64)
 		checkError(err)
 		AItem := int32(AItemTemp)
 		A = append(A, AItem)
 	}
 	result := cookies(k, A)
 	fmt.Fprintf(writer, "%d\n", result)
 	writer.Flush()
 }
 func readLine(reader *bufio.Reader) string {
 	str, _, err := reader.ReadLine()
 	if err == io.EOF {
 		return ""
 	}
 	return strings.TrimRight(string(str), "\r\n")
 }
 func checkError(err error) {
 	if err != nil {
 		panic(err)
 	}
 }
@@ -0,0 +1,2 @@
 1000000 105823341
 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 1Line truncated
@@ -0,0 +1,2 @@
 8 90
 13 47 74 12 89 74 18 38
@@ -0,0 +1,56 @@
 package aoc
 import (
 	"strconv"
 )
 func Atoi(s string) int {
 	i, _ := strconv.Atoi(s)
 	return i
 }
 func Repeat[T any](s T, i int) []T {
 	lis := make([]T, i)
 	for i := range lis {
 		lis[i] = s
 	}
 	return lis
 }
 func Reduce[T, U any](fn func(int, T, U) U, u U, list ...T) U {
 	for i, t := range list {
 		u = fn(i, t, u)
 	}
 	return u
 }
 func Reverse[T any](arr []T) []T {
 	for i := 0; i < len(arr)/2; i++ {
 		arr[i], arr[len(arr)-i-1] = arr[len(arr)-i-1], arr[i]
 	}
 	return arr
 }
 func SliceMap[T, U any](fn func(T) U, in ...T) []U {
 	lis := make([]U, len(in))
 	for i := range lis {
 		lis[i] = fn(in[i])
 	}
 	return lis
 }
 func SliceIMap[T, U any](fn func(int, T) U, in ...T) []U {
 	lis := make([]U, len(in))
 	for i := range lis {
 		lis[i] = fn(i, in[i])
 	}
 	return lis
 }
 // Pairwise iterates over a list pairing i, i+1
 func Pairwise[T any](arr []T) [][2]T {
 	var pairs [][2]T
 	for i := range arr[:len(arr)-1] {
 		pairs = append(pairs, [2]T{arr[i], arr[i+1]})
 	}
 	return pairs
 }
@@ -0,0 +1,44 @@
 package aoc_test
 import (
 	"testing"
 	"github.com/matryer/is"
 	aoc "go.sour.is/advent-of-code"
 )
 func TestReverse(t *testing.T) {
 	is := is.New(t)
 	is.Equal(aoc.Reverse([]int{1, 2, 3, 4}), []int{4, 3, 2, 1})
 }
 func TestReadStringToInts(t *testing.T) {
 	is := is.New(t)
 	is.Equal(aoc.ReadStringToInts([]string{"1", "2", "3"}), []int{1, 2, 3})
 }
 func TestRepeat(t *testing.T) {
 	is := is.New(t)
 	is.Equal(aoc.Repeat(5, 3), []int{5, 5, 5})
 }
 func TestTranspose(t *testing.T) {
 	is := is.New(t)
 	is.Equal(
 		aoc.Transpose(
 			[][]int{
 				{1, 1},
 				{0, 0},
 				{1, 1},
 			},
 		),
 		[][]int{
 			{1, 0, 1},
 			{1, 0, 1},
 		},
 	)
 }
@@ -0,0 +1,100 @@
 package aoc
 import "fmt"
 type Node[T any] struct {
 	value T
 	pos   int
 	left  *Node[T]
 }
 func (n *Node[T]) add(a *Node[T]) *Node[T] {
 	if a == nil {
 		return n
 	}
 	if n == nil {
 		return a
 	}
 	n.left = a
 	return a
 }
 func (n *Node[T]) Value() (value T, ok bool) {
 	if n == nil {
 		return
 	}
 	return n.value, true
 }
 func (n *Node[T]) Position() int {
 	if n == nil {
 		return -1
 	}
 	return n.pos
 }
 func (n *Node[T]) SetPosition(i int) {
 	if n == nil {
 		return
 	}
 	n.pos = i
 }
 func (n *Node[T]) Next() *Node[T] {
 	if n == nil {
 		return nil
 	}
 	return n.left
 }
 func (n *Node[T]) String() string {
 	if n == nil {
 		return "EOL"
 	}
 	return fmt.Sprintf("node %v", n.value)
 }
 type List[T any] struct {
 	head *Node[T]
 	n    *Node[T]
 	p    map[int]*Node[T]
 }
 func NewList[T any](a *Node[T]) *List[T] {
 	lis := &List[T]{
 		head: a,
 		n:    a,
 		p:    make(map[int]*Node[T]),
 	}
 	lis.add(a)
 	return lis
 }
 func (l *List[T]) Add(value T, pos int) {
 	a := &Node[T]{value: value, pos: pos}
 	l.add(a)
 }
 func (l *List[T]) add(a *Node[T]) {
 	if l.head == nil {
 		l.head = a
 	}
 	if a == nil {
 		return
 	}
 	l.n = l.n.add(a)
 	l.p[a.pos] = a
 }
 func (l *List[T]) Get(pos int) *Node[T] {
 	return l.p[pos]
 }
 func (l *List[T]) GetN(pos ...int) []*Node[T] {
 	lis := make([]*Node[T], len(pos))
 	for i, p := range pos {
 		lis[i] = l.p[p]
 	}
 	return lis
 }
 func (l *List[T]) Head() *Node[T] {
 	return l.head
 }
@@ -0,0 +1,96 @@
 package aoc
 import "cmp"
 type uinteger interface {
 	~uint | ~uint8 | ~uint16 | ~uint32 | ~uint64
 }
 type sinteger interface {
 	~int | ~int8 | ~int16 | ~int32 | ~int64
 }
 type integer interface {
 	sinteger | uinteger
 }
 type float interface {
 	complex64 | complex128 | float32 | float64
 }
 type number interface{ integer | float }
 // greatest common divisor (GCD) via Euclidean algorithm
 func GCD[T integer](a, b T) T {
 	for b != 0 {
 		t := b
 		b = a % b
 		a = t
 	}
 	return a
 }
 // find Least Common Multiple (LCM) via GCD
 func LCM[T integer](integers ...T) T {
 	if len(integers) == 0 {
 		return 0
 	}
 	if len(integers) == 1 {
 		return integers[0]
 	}
 	a, b := integers[0], integers[1]
 	result := a * b / GCD(a, b)
 	for _, c := range integers[2:] {
 		result = LCM(result, c)
 	}
 	return result
 }
 func Sum[T number](arr ...T) T {
 	var acc T
 	for _, a := range arr {
 		acc += a
 	}
 	return acc
 }
 func SumFunc[T any, U number](fn func(T) U, input ...T) U {
 	return Sum(SliceMap(fn, input...)...)
 }
 func SumIFunc[T any, U number](fn func(int, T) U, input ...T) U {
 	return Sum(SliceIMap(fn, input...)...)
 }
 func Power2(n int) int {
 	if n == 0 {
 		return 1
 	}
 	p := 2
 	for ; n > 1; n-- {
 		p *= 2
 	}
 	return p
 }
 func ABS[I integer](i I) I {
 	if i < 0 {
 		return -i
 	}
 	return i
 }
 func Max[T cmp.Ordered](a T, v ...T) T {
 	for _, b := range v {
 		if b > a {
 			a = b
 		}
 	}
 	return a
 }
 func Min[T cmp.Ordered](a T, v ...T) T {
 	for _, b := range v {
 		if b < a {
 			a = b
 		}
 	}
 	return a
 }
@@ -0,0 +1,33 @@
 package aoc_test
 import (
 	"testing"
 	"github.com/matryer/is"
 	aoc "go.sour.is/advent-of-code"
 )
 func TestLCM(t *testing.T) {
 	is := is.New(t)
 	is.Equal(aoc.LCM([]int{}...), 0)
 	is.Equal(aoc.LCM(5), 5)
 	is.Equal(aoc.LCM(5, 3), 15)
 	is.Equal(aoc.LCM(5, 3, 2), 30)
 }
 func TestPower2(t *testing.T) {
 	is := is.New(t)
 	is.Equal(aoc.Power2(0), 1)
 	is.Equal(aoc.Power2(1), 2)
 	is.Equal(aoc.Power2(2), 4)
 }
 func TestABS(t *testing.T) {
 	is := is.New(t)
 	is.Equal(aoc.ABS(1), 1)
 	is.Equal(aoc.ABS(0), 0)
 	is.Equal(aoc.ABS(-1), 1)
 }
@@ -0,0 +1,15 @@
 package main
 func countChan(n int) <-chan int {
 	ch := make(chan int)
 	go func() {
 		for i := range n {
 			ch <- i
 		}
 		close(ch)
 	}()
 	return ch
 }
@@ -0,0 +1,84 @@
 package main
 // export GOEXPERIMENT=rangefunc
 import "iter"
 func Step(start, stop, step int) iter.Seq[int] {
 	if step < 0 {
 		return func(yield func(int) bool) {
 			for i := start; i <= start && i > stop; i += step {
 				next := yield(i)
 				if !next {
 					return
 				}
 			}
 		}
 	}
 	if step > 0 {
 		return func(yield func(int) bool) {
 			for i := start; i >= start && i < stop; i += step {
 				next := yield(i)
 				if !next {
 					println("stopped!")
 					return
 				}
 			}
 		}
 	}
 	return func(yield func(int) bool) { yield(start) }
 }
 func Fib() iter.Seq[uint] {
 	return func(yield func(uint) bool) {
 		previous, value := uint(1), uint(1)
 		next := yield(value)
 		for next {
 			next = yield(value)
 			value, previous = value+previous, value
 			if value < previous {
 				return
 			}
 		}
 	}
 }
 func Fizzbuzzed[T int | uint](from iter.Seq[T]) iter.Seq2[T, string] {
 	pull, stop := iter.Pull(from)
 	return func(yield func(T, string) bool) {
 		defer stop()
 		for {
 			var fizzbuzz string
 			p, ok := pull()
 			if !ok {
 				return
 			}
 			if p%3 == 0 {
 				fizzbuzz = "fizz"
 			}
 			if p%5 == 0 {
 				fizzbuzz += "buzz"
 			}
 			if !yield(p, fizzbuzz) {
 				return
 			}
 		}
 	}
 }
 // func main() {
 // 	for i, v := range Fizzbuzzed(Fib()) {
 // 		println(i, v)
 // 	}
 // }
 func countScan(n int) (func() bool, func() int) {
 	pos := -1
 	return func() bool {
 			pos++
 			return pos < n
 		}, func() int {
 			return pos
 		}
 }
@@ -0,0 +1,193 @@
 package main_test
 import (
 	"testing"
 	"github.com/matryer/is"
 )
 // func BenchmarkChan(b *testing.B) {
 // 	sum := 0
 // 	for n := range countChan(b.N) {
 // 		sum += n
 // 	}
 // 	b.StopTimer()
 // 	b.Log(sum)
 // }
 // func BenchmarkScan(b *testing.B) {
 // 	sum := 0
 // 	scan, value := countScan(b.N)
 // 	for scan() {
 // 		sum += value()
 // 	}
 // 	b.StopTimer()
 // 	b.Log(sum)
 // }
 // func BenchmarkRange(b *testing.B) {
 // 	sum := 0
 // 	for n := range countRF(b.N) {
 // 		sum += n
 // 	}
 // 	b.StopTimer()
 // 	b.Log(sum)
 // }
 // func TestRangeS(t *testing.T) {
 // 	for i := range Step(0, 10, 3) {
 // 		t.Log(i)
 // 	}
 // 	for i := range Step(10, 0, -3) {
 // 		t.Log(i)
 // 	}
 // }
 func TestSelect(t *testing.T) {
 	done1 := make(chan struct{})
 	done2 := make(chan struct{})
 	go func() {
 		close(done1)
 		close(done2)
 	}()
 	for i, ch := range []chan struct{}{done1, done2} {
 		<-ch
 		println("closed", i)
 	}
 }
 func TestGCD(t *testing.T) {
 	is := is.New(t)
 	is.Equal(gcdOfStrings("ABAB", "ABABAB"), "AB")
 	is.Equal(gcdOfStrings("ABAB", "ABABABAB"), "ABAB")
 	is.Equal(gcdOfStrings("ABC", "ABCABC"), "ABC")
 	is.Equal(gcdOfStrings("ABC", "ABCDEF"), "")
 	is.Equal(gcdOfStrings("AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA", "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"), "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA")
 }
 func gcdOfStrings(str1 string, str2 string) string {
 	if len(str1) == 0 {
 		return ""
 	}
 	runes1 := []rune(str1)
 	runes2 := []rune(str2)
 	n := max(len(runes1), len(runes2))
 	m := min(len(runes1), len(runes2))
 	if len(runes2) == m {
 		runes1, runes2 = runes2, runes1
 	}
 	if isRepeating(runes1, runes2) {
 		return string(runes1)
 	}
 	for i := n; i > 0; i-- {
 		if runes1[i%len(runes1)] != runes2[i%len(runes2)] {
 			return ""
 		}
 		gcd := runes2[:i]
 		if isRepeating(gcd, runes1) && isRepeating(gcd, runes2) {
 			return string(gcd)
 		}
 	}
 	return ""
 }
 func isRepeating(str1, str2 []rune) bool {
 	if len(str1) > len(str2) {
 		return false
 	}
 	if len(str2)%len(str1) != 0 {
 		return false
 	}
 	for i := range str2 {
 		if str1[i%len(str1)] != str2[i] {
 			return false
 		}
 	}
 	return true
 }
 func canPlaceFlowers(flowerbed []int, n int) bool {
 	var c int
 	for i := 0; i < len(flowerbed); i++ {
 		if (i == 0 || flowerbed[i-1] == 0) &&
 			flowerbed[i] == 0 &&
 			(i == len(flowerbed)-1 || flowerbed[i+1] == 0) {
 			c++
 			flowerbed[i] = 1
 		}
 	}
 	return c >= n
 }
 func TestFlowers(t *testing.T) {
 	is := is.New(t)
 	is.Equal(canPlaceFlowers([]int{1, 0, 0, 0, 1}, 1), true)
 	is.Equal(canPlaceFlowers([]int{0, 0, 1, 0, 1}, 1), true)
 	is.Equal(canPlaceFlowers([]int{1, 0, 1, 0, 0}, 1), true)
 }
 func dailyTemperatures(temperatures []int) []int {
 	answers := make([]int, len(temperatures))
 	var stack  [][2]int
 	push := func(v int) {
 		if len(stack) == 0 {
 			stack = append(stack, [2]int{v, 1})
 			return
 		}
 		end := len(stack)-1
 		if v < stack[end][0]{
 			stack = append(stack, [2]int{v, 1})
 			return
 		}
 		if v == stack[end][0] {
 			stack[len(stack)-1][1]++
 			return
 		}
 		var vs = [2]int{v, 1}
 		// for ; end>0; end-- {	
 		// 	if stack[end][0]<vs[0] {
 		// 		vs[1]+=stack[end][1]
 		// 		continue
 		// 	}
 		// 	break
 		// }
 		stack = append(stack, vs)
 	}
 	for i := len(temperatures) - 2; i >= 0; i-- {
 		push(temperatures[i+1])
 		currentTemp := temperatures[i]
 		days := 1
 		end := len(stack)-1
 		for j := range stack {
 			nextTemp := stack[end-j]
 			if currentTemp < nextTemp[0] {
 				answers[i] = days
 				break
 			}
 			days+=nextTemp[1]
 		}
 	}
 	return answers
 }
 func TestTemps(t *testing.T) {
 	is := is.New(t)
 	is.Equal(dailyTemperatures(
 		[]int{73, 74, 75, 71, 69, 72, 76, 73}),
 		[]int{1, 1, 4, 2, 1, 1, 0, 0})
 	is.Equal(dailyTemperatures(
 		[]int{99,99,99,99,100}), []int{4,3,2,1,0})	
 }
@@ -0,0 +1,12 @@
 package main
 func countRF(n int) func(yield func(int) bool) {
 	return func(yield func(int) bool) {
 		for i := range n {
 			if !yield(i) {
 				return
 			}
 		}
 	}
 }
Author	SHA1	Message	Date
xuu	a5ebbe25d0	chore: save hacker rank	2024-06-10 21:26:09 -06:00
xuu	50af2114d4	add ranger Go Bump / bump (push) Failing after 6s Details Go Test / build (push) Failing after 21s Details	2024-04-05 16:27:02 -06:00
xuu	f8fa61672f	chore: fixes Go Bump / bump (push) Successful in 7s Details Go Test / build (push) Successful in 35s Details	2024-01-22 16:07:16 -07:00
xuu	951c2c298a	chore(aos): add compress graph Go Bump / bump (push) Successful in 9s Details Go Test / build (push) Failing after 24s Details	2024-01-12 12:09:44 -07:00
xuu	328a0f3eb3	chore(aoc): add FibHeap DecreaseKey Go Bump / bump (push) Successful in 8s Details Go Test / build (push) Successful in 40s Details	2024-01-09 20:41:23 -07:00
xuu	7d7402f054	chore(day17): implement fibHeap for faster priority queue Go Test / build (pull_request) Successful in 37s Details Go Bump / bump (push) Successful in 7s Details Go Test / build (push) Successful in 39s Details	2024-01-09 13:53:30 -07:00
xuu	7585526634	chore(day17): simplify FindPath. A* is still slower :\| Go Test / build (pull_request) Failing after 4m27s Details	2024-01-04 17:15:44 -07:00
xuu	924c8d74f3	chore(day17): disable heuristic. runs faster!?	2024-01-02 20:57:02 -07:00
xuu	22184ed9c7	chore(aoc): initial graph attempt	2024-01-02 17:02:12 -07:00
xuu	74a952e82b	chore(day19): add part 2 Go Bump / bump (push) Successful in 6s Details Go Test / build (push) Successful in 1m30s Details	2024-01-01 19:15:36 -07:00
xuu	62f8338227	chore: organization day19	2024-01-01 19:15:36 -07:00
xuu	39c6f8ed4d	chore: add day 19 pt 1	2024-01-01 19:15:36 -07:00
xuu	2c959c109b	tests(day17): disable solution Go Bump / bump (push) Successful in 7s Details Go Test / build (push) Successful in 49s Details	2024-01-01 14:19:00 -07:00
xuu	eb1eaaab43	chore(day17): add open list for A* Go Bump / bump (push) Successful in 8s Details Go Test / build (push) Failing after 4m29s Details	2024-01-01 14:12:53 -07:00
xuu	adc01f4df9	chore(day17): log output Go Bump / bump (push) Successful in 6s Details Go Test / build (push) Successful in 40s Details	2024-01-01 12:44:08 -07:00
xuu	fd85530d88	chore(day17): simplify interfaces. add docs Go Bump / bump (push) Successful in 12s Details Go Test / build (push) Successful in 46s Details	2024-01-01 10:59:40 -07:00
xuu	0d78959bea	chore(day17): fix missing changes Go Test / build (pull_request) Successful in 37s Details Go Bump / bump (push) Successful in 7s Details Go Test / build (push) Successful in 34s Details	2024-01-01 09:57:08 -07:00
xuu	86f2f7a6f2	chore(day17): implent A* path finder Go Bump / bump (push) Successful in 8s Details Go Test / build (pull_request) Successful in 51s Details Go Test / build (push) Successful in 35s Details	2024-01-01 09:29:25 -07:00
xuu	378e403c1c	Merge pull request 'chore: fix uncertanty on day17' (#18 ) from day17-enhance into main Go Bump / bump (push) Successful in 8s Details Go Test / build (push) Successful in 34s Details Reviewed-on: #18	2023-12-29 21:12:11 -07:00
xuu	06a22511b5	Merge branch 'main' into day17-enhance Go Test / build (pull_request) Successful in 36s Details	2023-12-29 21:11:24 -07:00
xuu	a2563b9d31	chore: fix uncertanty on day17 Go Test / build (pull_request) Successful in 36s Details	2023-12-29 21:10:59 -07:00
xuu	3c2ea4ed9e	Merge pull request 'chore: fix dijkstra' (#17 ) from day17-enhance into main Go Bump / bump (push) Failing after 8s Details Go Test / build (push) Failing after 1m30s Details Reviewed-on: #17	2023-12-28 19:01:39 -07:00
xuu	1fac5f7b4d	chore: fix dijkstra Go Test / build (pull_request) Failing after 2m39s Details	2023-12-28 18:59:46 -07:00
xuu	1a3374a557	chore: save day18 (#12 ) Go Bump / bump (push) Successful in 7s Details Go Test / build (push) Failing after 10m26s Details Reviewed-on: #12	2023-12-27 14:07:32 -07:00
xuu	170fecc9f6	Merge pull request 'chore: add day 17 pt 2' (#16 ) from day17 into main Go Bump / bump (push) Successful in 21s Details Go Test / build (push) Failing after 10m27s Details Reviewed-on: #16	2023-12-26 13:30:31 -07:00
xuu	58e482b125	Merge branch 'main' into day17 Go Test / build (pull_request) Failing after 10m28s Details	2023-12-26 13:30:25 -07:00
xuu	7847d11f95	chore: add day 17 pt 2 Go Test / build (pull_request) Failing after 10m29s Details	2023-12-26 13:29:48 -07:00
xuu	d21005c534	Merge pull request 'chore: cleanup day 7' (#10 ) from day07-enhance into main Go Bump / bump (push) Successful in 6s Details Go Test / build (push) Successful in 34s Details Reviewed-on: #10	2023-12-26 13:18:08 -07:00
xuu	3e0ed68db3	Merge branch 'main' into day07-enhance Go Test / build (pull_request) Successful in 37s Details	2023-12-26 13:17:18 -07:00
xuu	f1ac3ea35f	chore: fix day 07	2023-12-26 13:17:07 -07:00
xuu	f0696a6fe6	Merge pull request 'add day 20' (#13 ) from day20 into main Go Bump / bump (push) Successful in 11s Details Go Test / build (push) Successful in 37s Details Reviewed-on: #13	2023-12-26 13:03:00 -07:00
xuu	786a5bae35	Merge branch 'main' into day20 Go Test / build (pull_request) Successful in 38s Details	2023-12-26 13:02:01 -07:00
xuu	e82c9a97c4	Merge pull request 'chore: add day 17 pt 2' (#14 ) from day17 into main Go Bump / bump (push) Successful in 10s Details Go Test / build (push) Failing after 10m29s Details Reviewed-on: #14	2023-12-26 12:44:04 -07:00
xuu	b2da6a35e7	Merge branch 'main' into day17 Go Test / build (pull_request) Failing after 10m28s Details	2023-12-26 12:43:56 -07:00
xuu	970f5b2d76	chore: add day 17 pt 2 Go Test / build (pull_request) Failing after 10m27s Details	2023-12-26 12:42:11 -07:00
xuu	8e451050b1	Merge branch 'main' into day20 Go Test / build (pull_request) Failing after 43s Details	2023-12-21 17:04:25 -07:00
xuu	761013df81	chore: cleanup day 20 Go Test / build (pull_request) Successful in 34s Details	2023-12-21 16:44:35 -07:00
xuu	6a03be9ca9	Merge pull request 'chore: add day17' (#11 ) from day17 into main Go Bump / bump (push) Successful in 8s Details Go Test / build (push) Failing after 36s Details Reviewed-on: #11	2023-12-21 16:39:16 -07:00
xuu	eb9e770a94	chore: add day20	2023-12-21 13:18:59 -07:00
xuu	13888edaff	chore: start day20	2023-12-20 11:27:54 -07:00
xuu	7d9d2a7614	chore: add day17 Go Test / build (pull_request) Failing after 42s Details	2023-12-18 08:47:30 -07:00
xuu	18bf5a4aef	chore: add day16 Go Bump / bump (push) Successful in 10s Details Go Test / build (push) Successful in 40s Details	2023-12-17 09:43:04 -07:00
xuu	e742db7ec9	chore: add day16 Go Bump / bump (push) Successful in 6s Details Go Test / build (push) Successful in 34s Details	2023-12-16 12:43:17 -07:00
xuu	b97ecdc93c	chore: change module Go Bump / bump (push) Failing after 7s Details Go Test / build (push) Successful in 33s Details	2023-12-15 15:14:42 -07:00
xuu	a0d852416f	chore: add day 14 Go Bump / bump (push) Successful in 12s Details Go Test / build (push) Successful in 36s Details	2023-12-15 15:09:59 -07:00
xuu	77a54c5563	chore: add day 15 Go Bump / bump (push) Successful in 6s Details Go Test / build (push) Failing after 42s Details	2023-12-15 09:57:44 -07:00
xuu	186cfb3157	chore: add day 14 pt1 Go Bump / bump (push) Successful in 6s Details Go Test / build (push) Failing after 35s Details	2023-12-15 07:52:37 -07:00
xuu	142a8dc00f	chore: add day13 Go Bump / bump (push) Successful in 7s Details Go Test / build (push) Successful in 33s Details	2023-12-14 08:31:57 -07:00
xuu	6fce822def	chore: add day13 Go Bump / bump (push) Failing after 5s Details Go Test / build (push) Successful in 27s Details	2023-12-13 17:03:23 -07:00
xuu	eb758ab41d	chore: fix tests for day 4 & 5 Go Bump / bump (push) Failing after 6s Details Go Test / build (push) Successful in 27s Details	2023-12-13 11:31:17 -07:00
xuu	fa2e7fedd9	chore: add day12 part 1 Go Bump / bump (push) Successful in 7s Details Go Test / build (push) Failing after 1m17s Details	2023-12-13 08:32:53 -07:00
xuu	927fabebfc	chore: imporivements Go Bump / bump (push) Successful in 6s Details Go Test / build (push) Failing after 29s Details	2023-12-13 08:32:37 -07:00
xuu	127e9c33c6	chore: add day12 part 1 Go Bump / bump (push) Successful in 7s Details Go Test / build (push) Successful in 30s Details	2023-12-12 19:05:07 -07:00
xuu	0204b4841b	Merge pull request 'chore: add day 11' (#9 ) from day10 into main Go Bump / bump (push) Successful in 7s Details Go Test / build (push) Successful in 28s Details Reviewed-on: xuu/advent-of-code-2023#9	2023-12-12 13:45:14 -07:00
xuu	4159024e6f	Merge branch 'main' into day10 Go Test / build (pull_request) Successful in 32s Details	2023-12-12 13:45:09 -07:00
xuu	596f3e7533	chore: add day 11 Go Test / build (pull_request) Successful in 35s Details	2023-12-12 13:44:28 -07:00
xuu	aff141a362	Merge pull request 'chore: add day 10' (#8 ) from day10 into main Go Bump / bump (push) Successful in 6s Details Go Test / build (push) Successful in 19s Details Reviewed-on: xuu/advent-of-code-2023#8	2023-12-11 10:23:47 -07:00
xuu	30241aa5d3	chore: add day 10 pt2 Go Test / build (pull_request) Successful in 23s Details	2023-12-11 10:23:04 -07:00
xuu	cb2b6087b7	chore: add day 10 pt1 Go Test / build (pull_request) Failing after 20s Details	2023-12-10 12:03:19 -07:00
xuu	3f5ffa515c	chore: clean up day 3 Go Bump / bump (push) Successful in 7s Details Go Test / build (push) Successful in 20s Details	2023-12-09 14:57:02 -07:00
xuu	7826654bce	Update .gitea/workflows/github-mirror.yml Go Test / build (push) Successful in 20s Details Go Bump / bump (push) Successful in 6s Details	2023-12-09 11:12:36 -07:00
xuu	a956970738	Update .gitea/workflows/github-mirror.yml Go Test / build (push) Successful in 21s Details Go Bump / bump (push) Failing after 4s Details	2023-12-09 11:07:20 -07:00
xuu	16a9afb2cb	Merge pull request 'chore: add day 9' (#7 ) from day09 into main Go Test / build (push) Successful in 20s Details Go Bump / bump (push) Failing after 10s Details Reviewed-on: xuu/advent-of-code-2023#7	2023-12-09 10:59:08 -07:00
xuu	f2d7a9f6b2	chore: add day 9 Go Test / build (pull_request) Successful in 20s Details	2023-12-09 10:57:52 -07:00
xuu	1045fcba4c	Add README.md Go Bump / bump (push) Failing after 10s Details Go Test / build (push) Successful in 28s Details	2023-12-08 21:40:18 -07:00
xuu	c87eb85e46	build: add gitea workflows	2023-12-08 21:30:49 -07:00
xuu	055c5b269d	chore: clean up day 2	2023-12-08 21:30:49 -07:00
xuu	a7569c8b91	chore: cleanup day 1	2023-12-08 21:30:49 -07:00
xuu	5106558ce9	chore: simplify day 8	2023-12-08 21:30:49 -07:00
xuu	8e7fa3c5a8	Merge pull request 'chore: add day 8' (#5 ) from day08 into main Reviewed-on: xuu/advent-of-code-2023#5	2023-12-08 15:14:17 -07:00
xuu	e9068fdf78	chore: add day 8	2023-12-08 15:11:24 -07:00
xuu	50f1016372	chore: cleanup	2023-12-08 12:11:44 -07:00
xuu	fb09a45cab	Merge pull request 'fix: forgot to add wild card' (#4 ) from day07 into main Reviewed-on: xuu/advent-of-code-2023#4	2023-12-07 20:11:08 -07:00
xuu	e6c53df5c5	chore: cleanup	2023-12-07 20:09:58 -07:00
xuu	827835f12f	fix: forgot to add wild card	2023-12-07 19:29:34 -07:00
xuu	5ec77ca0f8	Merge pull request 'chore: add day 7' (#3 ) from day07 into main Reviewed-on: xuu/advent-of-code-2023#3	2023-12-07 19:22:58 -07:00
xuu	287dcbb854	chore: add day 7	2023-12-07 19:21:10 -07:00
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