public void CreateNewGame(int rows, int columns)
        {
            _moveHistory.Clear();

            var game = new TetriBricksGame();

            for (int i = 0; i < rows; i++)
            {
                var bc = new BrickColumn();
                //bc.Game = game;
                for (int j = 0; j < columns; j++)
                {
                    bc.Bricks.Add(new Brick(i, j, GetRandomColor()));
                }
                game.Columns.Add(bc);
            }
            _moveHistory.Add((TetriBricksGame) game.Clone());
            _currentMove = 0;
        }