Day 12 solution

This was my initial solution I used to submit the puzzle answer. Runtime for part 2 on my input set was around a second, so now I'm going to find optimization targets. I'm sure there's a lot I could be doing much better.

src/main.cs

@@ -37,7 +37,11 @@ switch (arg)
         aoc2021.Day10.Go();
         break;
 
-    default:
+    case "11":
         aoc2021.Day11.Go();
         break;
+
+    default:
+        aoc2021.Day12.Go();
+        break;
 }