service_id,monday,tuesday,wednesday,thursday,friday,saturday,sunday,start_date,end_date
ci_1,1,1,1,1,1,0,0,20260501,20270504
ci_2,1,1,1,1,1,0,0,20260501,20270430
ci_3,1,1,1,1,1,0,0,20260501,20270511