service_id,monday,tuesday,wednesday,thursday,friday,saturday,sunday,start_date,end_date
cal1-mon-tue-wed-sat-sun,1,1,1,0,0,1,1,20260704,20260708
cal2-tue,0,1,0,0,0,0,0,20260707,20260707
cal3-mon-tue-wed-thu-fri-sat-sun,1,1,1,1,1,1,1,20260701,20260708
cal4-tue-sat,0,1,0,0,0,1,0,20260704,20260707
cal5-sun,0,0,0,0,0,0,1,20260705,20260705