service_id,monday,tuesday,wednesday,thursday,friday,saturday,sunday,start_date,end_date
cal1-mon-tue-wed-thu-fri-8,1,1,1,1,1,0,0,20260205,20261231
cal2-sat-1,0,0,0,0,0,1,0,20260207,20261226
cal3-sun-9,0,0,0,0,0,0,1,20260208,20261227