service_id,monday,tuesday,wednesday,thursday,friday,saturday,sunday,start_date,end_date
cal1-thu-1,0,0,0,1,0,0,0,20260507,20260521
cal2-sat-1,0,0,0,0,0,1,0,20260509,20260523
cal3-mon-tue-wed-1,1,1,1,0,0,0,0,20260511,20260522
cal4-fri,0,0,0,0,1,0,0,20260515,20260515
cal5-sat,0,0,0,0,0,1,0,20260516,20260516
cal6-mon-tue-1,1,1,0,0,0,0,0,20260511,20260522
cal7-wed,0,0,1,0,0,0,0,20260513,20260520