from_stop_id,to_stop_id,transfer_type,min_transfer_time
PMAN,PMAN2,1,
PMAN2,PMAN,1,
PECH2,PECH,1,
PECH,PECH2,1,
POIN2,POIN,1,
POIN,POIN2,1,
POIN1,POIN2,1,
POIN2,POIN1,1,
