AllExist()

        public static bool AllExist()
        {
            bool all = false;
            for (int x = 0; x < 9; x++)
            {
                if (Board.board.iceColumns[x].Exists)
                {
                    all = true;
                }
                else
                {
                    all = false;
                    break;
                }
            }
            return all;
        }