public void PrintTileNumbers(PrintWriter w)
    {
    	w.println(tileRow + ", " + tileCol + ", " + numOfTiles + ", " + fileName);
    	for (int i = 0; i < tileRow; i++)
    	{
    		for (int j = 0; j< tileCol; j++)
    		{
    			Tile temp = tiles[i][j];
    			if(temp.GetTileNum() != -999)
    			{
    				w.print(temp.GetTileNum() + "," + i + "," + j + "||");
    			}
    		}
    	}
    }