service_id,monday,tuesday,wednesday,thursday,friday,saturday,sunday,start_date,end_date
cal1-tue-thu-fri-6,0,1,0,1,1,0,0,20251009,20260703
cal2-wed,0,0,1,0,0,0,0,20251008,20260701
cal3-sat,0,0,0,0,0,1,0,20251011,20260704
cal4-mon-2,1,0,0,0,0,0,0,20251013,20260629