from_stop_id,to_stop_id,transfer_type,min_transfer_time
25_01,54_01,0,
26_01,26_01,0,
30_01,30_01,0,
54_01,25_01,0,
58_01,93_01,0,
64_01,96_01,0,
70_01,103_01,0,
93_01,58_01,0,
96_01,64_01,0,
103_01,70_01,0,
