service_id,monday,tuesday,wednesday,thursday,friday,saturday,sunday,start_date,end_date
cal1-fri-sat-sun,0,0,0,0,1,1,1,20260717,20260719
cal2-mon-tue-wed-thu-fri-sat-sun,1,1,1,1,1,1,1,20260720,20260830
cal3-mon-tue-wed-thu-fri-sat-sun,1,1,1,1,1,1,1,20260717,20260830
cal4-mon-tue-wed-thu-fri-sat-sun,1,1,1,1,1,1,1,20260717,20260830