rowid,zoom_level,tile_column,tile_row,tile_data
330,2,1,2,https://datasette-tiles-demo.datasette.io/basemap/tiles/330.blob?_blob_column=tile_data
331,2,1,3,https://datasette-tiles-demo.datasette.io/basemap/tiles/331.blob?_blob_column=tile_data
332,2,1,1,https://datasette-tiles-demo.datasette.io/basemap/tiles/332.blob?_blob_column=tile_data
333,2,1,0,https://datasette-tiles-demo.datasette.io/basemap/tiles/333.blob?_blob_column=tile_data