public override string Part2(string input)
{
var puzzleSolver = new PuzzleSolver();
puzzleSolver.ParseInput(input);
if (Debugger.IsAttached)
{
puzzleSolver.WriteDebugChecksums();
}
puzzleSolver.FindMatchingTiles();
if (Debugger.IsAttached)
{
puzzleSolver.WriteDebugMatches();
}
puzzleSolver.StartPuzzling();
int countSeaMonsters = puzzleSolver.CountSeaMonsters();
return(countSeaMonsters.ToString());
}