public boolean isFinished()
	{
		boolean finished = true;
		for (int i = 0; finished && i < squares.length; i++)
		{
			for (int h = 0; h < squares[1].length; h++)
			{
				if (squares[i][h] == null)
				{
					finished = false;
					break;
				}
			}
		}

		return finished;
	}