service_id,monday,tuesday,wednesday,thursday,friday,saturday,sunday,start_date,end_date
17-v4E,1,1,1,1,1,0,0,20260901,20271231
18-v4E,0,0,0,0,0,1,0,20260901,20271231
19-v4E,0,0,0,0,0,0,1,20260901,20271231
