from_stop_id,to_stop_id,transfer_type,min_transfer_time
96,1,1,
2,96,1,
1,96,1,
1,2,1,
96,2,1,
2,1,1,
236,236,1,
33,33,1,
57,57,1,
33,34,2,180
34,33,2,180
89,87,1,
75,280,1,
87,89,1,
75,75,1,
12,13,1,
13,12,1,
66,12309081,1,
72,71,2,300
71,72,2,300
35,36,1,
36,35,1,
27,28,1,
28,27,1,
