rowid,zoom_level,tile_column,tile_row,tile_data
328,2,0,1,https://datasette-tiles-demo.datasette.io/basemap/tiles/328.blob?_blob_column=tile_data
332,2,1,1,https://datasette-tiles-demo.datasette.io/basemap/tiles/332.blob?_blob_column=tile_data
336,2,3,1,https://datasette-tiles-demo.datasette.io/basemap/tiles/336.blob?_blob_column=tile_data
340,2,2,1,https://datasette-tiles-demo.datasette.io/basemap/tiles/340.blob?_blob_column=tile_data