public static long Part1(PocketDimension dimension)
{
if (dimension == null)
{
throw new ArgumentNullException(nameof(dimension));
}
dimension = dimension.Clone();
dimension.Step(6);
return(dimension.ActiveCubes);
}
private static int CountAfter6Cycles(int dimensions, bool[][] initialSlice)
{
var pocketDimension = new PocketDimension(dimensions, initialSlice);
for (var i = 0; i < 6; i++)
{
pocketDimension.Step();
}
return(pocketDimension.CountActive());
}