public void Part2()
        {
            var path  = string.Format("\\\\Mac\\Home\\Documents\\Projects\\Sandbox\\AdventOfCode2016\\dotnet\\day24\\input.txt");
            var input = File.ReadAllLines(path);

            var s = new Solver(input);

            var actual = s.SolveAndComeBack();

            Assert.AreEqual(470, actual);
        }