diff --git a/day20/example.txt b/day20/example.txt
new file mode 100644
index 0000000..e69de29
diff --git a/day20/input.txt b/day20/input.txt
new file mode 100644
index 0000000..e69de29
diff --git a/day20/main.go b/day20/main.go
new file mode 100644
index 0000000..c0596d8
--- /dev/null
+++ b/day20/main.go
@@ -0,0 +1,30 @@
+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) {
+
+	for scan.Scan() {
+		_ = scan.Text()
+
+	}
+
+	return &result{}, nil
+}
diff --git a/day20/main_test.go b/day20/main_test.go
new file mode 100644
index 0000000..b55d509
--- /dev/null
+++ b/day20/main_test.go
@@ -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, 0)
+	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, 0)
+	is.Equal(result.valuePT2, 0)
+}