diff --git a/Day21.cs b/Day21.cs
index 39317bc..01b353a 100644
--- a/Day21.cs
+++ b/Day21.cs
@@ -1,26 +1,17 @@
 #define Day21
-using System.Diagnostics;
-using System.Threading.Channels;
-using AoC2021;
-
 #if Day21
+using AoC2021;
 
 var states = File.ReadAllLines("day21/input")
     .Select(l => new State() {pos = int.Parse(l[l.Length-1].ToString()) - 1, score = 0})
     .ToList();
 
-// states = new List<State>() {
-//     new State() {pos = 3, score = 0},
-//     new State() {pos = 7, score = 0},
-// };
-
 var states2 = states.Select(s => s.Copy()).ToList();
 
-var bla = Enumerable.Range(1, 3).SelectMany(x =>
+var diceCombinations = Enumerable.Range(1, 3).SelectMany(x =>
         Enumerable.Range(1, 3).SelectMany(y => Enumerable.Range(1, 3).Select(z => new {x = x, y = y, z = z})))
-    .Select(p => p.x + p.y + p.z).GroupBy(x => x).ToDictionary(x => x.Key, x => x.Count()); //ForEachAsList(p => Console.WriteLine(p));
-bla.ForEachAsList(b => Console.WriteLine($"{b.Key}: {b.Value}"));
-// System.Environment.Exit(0);
+    .Select(p => p.x + p.y + p.z).GroupBy(x => x).ToDictionary(x => x.Key, x => x.Count());
+diceCombinations.ForEachAsList(b => Console.WriteLine($"{b.Key}: {b.Value}"));
 
 int curPlayer = 0;
 int dieThrows = 0;
@@ -41,8 +32,6 @@ Console.WriteLine(minScore * dieThrows);
 
 //------------------
 
-Stopwatch sw = new Stopwatch();
-sw.Start();
 Stack<CompleteState> stack = new Stack<CompleteState>();
 stack.Push(new CompleteState(0, new StateRec(states2[0].pos, states2[0].score), new StateRec(states2[1].pos, states2[1].score), 1));
 
@@ -60,8 +49,6 @@ while (stack.Count > 0) {
     AddState(Add(curP, 8), cur, p0, p1, winTimes * 3);
     AddState(Add(curP, 9), cur, p0, p1, winTimes * 1);
 }
-sw.Stop();
-Console.WriteLine(sw.Elapsed);
 Console.WriteLine(countWin0);
 Console.WriteLine(countWin1);