rowid,zoom_level,tile_column,tile_row,tile_data
110,7,115,76,https://datasette-tiles-demo.datasette.io/japan-toner/tiles/110.blob?_blob_column=tile_data
122,7,114,76,https://datasette-tiles-demo.datasette.io/japan-toner/tiles/122.blob?_blob_column=tile_data
134,7,113,76,https://datasette-tiles-demo.datasette.io/japan-toner/tiles/134.blob?_blob_column=tile_data