from_stop_id,to_stop_id,from_route_id,to_route_id,transfer_type,min_transfer_time
621,623,100479,2LINE,2,120
621,623,2LINE,100479,2,120
623,621,100479,2LINE,2,120
623,621,2LINE,100479,2,120
99603,99610,100479,2LINE,,
99603,99610,2LINE,100479,,
99610,99603,100479,2LINE,,
99610,99603,2LINE,100479,,
