runs_id,service_id,block_id,run_number,piece_number,start_trip_id,start_stop_id,end_trip_id,end_stop_id
100001,c_17784_b_21976_d_127,109732,1,1,t_819605_b_21976_tn_frequencies_trip,815440,t_819605_b_21976_tn_frequencies_trip,815440