rowid,zoom_level,tile_column,tile_row,tile_data
112,7,115,75,https://datasette-tiles-demo.datasette.io/japan-toner/tiles/112.blob?_blob_column=tile_data
124,7,114,75,https://datasette-tiles-demo.datasette.io/japan-toner/tiles/124.blob?_blob_column=tile_data
136,7,113,75,https://datasette-tiles-demo.datasette.io/japan-toner/tiles/136.blob?_blob_column=tile_data