service_id,monday,tuesday,wednesday,thursday,friday,saturday,sunday,start_date,end_date
C1,1,1,1,1,1,0,0,20250512,20260704
C2,1,1,0,1,1,0,0,20250512,20260704
C3,0,0,1,0,0,0,0,20250512,20260704
C4,1,1,1,1,1,0,0,20250212,20260704