from_stop_id,to_stop_id,transfer_type,min_transfer_time
16_01,16_01,0,
16_01,97_01,0,
16_01,97_02,0,
97_01,16_01,0,
97_02,16_01,0,
41_01,41_01,0,
17_01,17_01,0,
