diff --git a/2022-aoc/src/d6.rs b/2022-aoc/src/d6.rs
new file mode 100644
index 0000000..e5cd635
--- /dev/null
+++ b/2022-aoc/src/d6.rs
@@ -0,0 +1,23 @@
+use aoc_runner_derive::{aoc as aoc_run, aoc_generator};
+use std::collections::HashSet;
+
+type Beep = HashSet<char>;
+
+#[aoc_generator(day6)]
+fn parse_input_day1(input: &str) -> String {
+    input.to_string()
+}
+#[aoc_run(day6, part1)]
+fn part1(input: &str) -> usize {
+    let input = input.trim();
+    let mut out = 4;
+    for (i, c) in input.as_bytes().windows(4).enumerate() {
+        let window = Beep::from_iter(c.iter().map(|c| *c as char));
+        out = i + 4;
+        dbg!(i, std::str::from_utf8(c).unwrap(), &window);
+        if window.len() == 4 {
+            break;
+        }
+    }
+    out
+}
diff --git a/2022-aoc/src/lib.rs b/2022-aoc/src/lib.rs
index 0457abf..ef0d57a 100644
--- a/2022-aoc/src/lib.rs
+++ b/2022-aoc/src/lib.rs
@@ -5,5 +5,6 @@ mod d2;
 mod d3;
 mod d4;
 mod d5;
+mod d6;
 
 aoc_lib! { year = 2022 }