service_id,monday,tuesday,wednesday,thursday,friday,saturday,sunday,start_date,end_date
cal1-mon-tue-wed,1,1,1,0,0,0,0,20260302,20260415
cal2-thu-sat,0,0,0,1,0,1,0,20260305,20260418
cal3-fri,0,0,0,0,1,0,0,20260306,20260417
cal4-mon-tue,1,1,0,0,0,0,0,20260302,20260414
cal5-wed,0,0,1,0,0,0,0,20260304,20260415
cal6-sat,0,0,0,0,0,1,0,20260307,20260418