service_id,monday,tuesday,wednesday,thursday,friday,saturday,sunday,start_date,end_date
cal1-thu,0,0,0,1,0,0,0,20260430,20260430
cal2-sat,0,0,0,0,0,1,0,20260502,20260502
cal3-mon,1,0,0,0,0,0,0,20260504,20260504
cal4-tue-wed,0,1,1,0,0,0,0,20260505,20260506
cal5-thu,0,0,0,1,0,0,0,20260507,20260507
cal6-sat,0,0,0,0,0,1,0,20260509,20260509
cal7-tue,0,1,0,0,0,0,0,20260505,20260505
cal8-wed,0,0,1,0,0,0,0,20260506,20260506