service_id,date,exception_type
cal1-mon-tue-wed-thu-fri-sat-2,20260714,2
cal1-mon-tue-wed-thu-fri-sat-2,20260815,2
cal2-sun-2,20260714,1
cal2-sun-2,20260815,1
cal4-sat-1,20260815,2
cal7-fri-sat-1,20260815,2
cal9-sat-sun-1,20260714,1