from_stop_id,to_stop_id,transfer_type,min_transfer_time
19652,19860,1,
19653,19861,1,
19655,19824,1,
19675,19824,1,
19822,20142,1,
19824,19675,1,
19860,19652,1,
19861,19653,1,
20126,20126,1,
20142,19822,1,
20143,20143,1,
