rowid,zoom_level,tile_column,tile_row,tile_data
334,2,3,2,https://datasette-tiles-demo.datasette.io/basemap/tiles/334.blob?_blob_column=tile_data
335,2,3,3,https://datasette-tiles-demo.datasette.io/basemap/tiles/335.blob?_blob_column=tile_data
336,2,3,1,https://datasette-tiles-demo.datasette.io/basemap/tiles/336.blob?_blob_column=tile_data
337,2,3,0,https://datasette-tiles-demo.datasette.io/basemap/tiles/337.blob?_blob_column=tile_data