from_stop_id,to_stop_id,transfer_type,min_transfer_time
2501993,2501993,1,
2501995,2501995,1,
2502145,2502145,1,
2733829,2733829,0,
2733830,2733830,0,
2733831,2733831,0,
2733832,2733832,0,
2733877,2733877,0,
2733881,2733881,0,
2733898,2733898,0,
2733899,2733899,0,
2733900,2733900,0,
2733901,2733901,0,
2733926,2733926,0,
2733927,2733927,0,
2733928,2733928,0,
2733957,2733957,0,
2733959,2733959,0,
2733960,2733960,0,
4151619,4151619,1,
