leg_group_id,from_area_id,to_area_id,fare_product_id
within_east,uza_east,uza_east,uza1_base
within_east,uza_east,uza_east,uza1_reduced
within_east,uza_east,uza_east,free_infant
within_west,uza_west,uza_west,uza1_base
within_west,uza_west,uza_west,uza1_reduced
within_west,uza_west,uza_west,free_infant
cross_uza,uza_east,uza_west,uza2_base
cross_uza,uza_east,uza_west,uza2_reduced
cross_uza,uza_east,uza_west,free_infant
cross_uza,uza_west,uza_east,uza2_base
cross_uza,uza_west,uza_east,uza2_reduced
cross_uza,uza_west,uza_east,free_infant