service_id,monday,tuesday,wednesday,thursday,friday,saturday,sunday,start_date,end_date
cal1-mon-tue-wed-thu-fri-4,1,1,1,1,1,0,0,20260414,20260630
cal2-sat,0,0,0,0,0,1,0,20260418,20260627
cal3-mon-tue-wed-thu-fri-13,1,1,1,1,1,0,0,20260414,20260630
cal4-mon-tue-wed-thu-fri-sat-4,1,1,1,1,1,1,0,20260414,20260630