rowid,zoom_level,tile_column,tile_row,tile_data
109,7,115,77,https://datasette-tiles-demo.datasette.io/japan-toner/tiles/109.blob?_blob_column=tile_data
121,7,114,77,https://datasette-tiles-demo.datasette.io/japan-toner/tiles/121.blob?_blob_column=tile_data
133,7,113,77,https://datasette-tiles-demo.datasette.io/japan-toner/tiles/133.blob?_blob_column=tile_data