@Override
	public String toString()
	{
		StringBuilder sb = new StringBuilder();

		for (int y = 0; y < size; y++)
		{
			for (int x = 0; x < size; x++)
			{
				if (x > 0)
				{
					sb.append( " " );
				}
				
				sb.append( board[y][x] );
			}
			sb.append( "\n" );
		}
		return sb.toString();
	}