from_stop_id,to_stop_id,transfer_type,min_transfer_time
2393496,2393496,1,
2429468,2429468,1,
2392980,2392980,0,
2392666,2392666,0,
2392925,2392925,0,
2393476,2393476,0,
2392938,2392938,0,
2429470,2429470,0,