fare_id,route_id,origin_id,destination_id,contains_id
!F1_to_F1,,1,1,
!F1_to_F2,,1,2,
!F1_to_F3,,1,3,
!F2_to_F1,,2,1,
!F2_to_F2,,2,2,
!F2_to_F3,,2,3,
!F3_to_F1,,3,1,
!F3_to_F2,,3,2,
!F3_to_F3,,3,3,
