"from_stop_id","to_stop_id","transfer_type","min_transfer_time"
"521-CA3B0042-E285-4459-9C86-4B52EA7ABB59","521-932843FD-01A4-4226-AB99-0B9AD3A058E0","1",""
"521-932843FD-01A4-4226-AB99-0B9AD3A058E0","521-CA3B0042-E285-4459-9C86-4B52EA7ABB59","1",""
