service_id,monday,tuesday,wednesday,thursday,friday,saturday,sunday,start_date,end_date
cal1-sat-2,0,0,0,0,0,1,0,20260829,20270828
cal2-mon-tue-wed-thu-fri-45,1,1,1,1,1,0,0,20260831,20270702
cal3-78,0,0,0,0,0,0,0,20261019,20270827
cal4-mon-tue-thu-fri-36,1,1,0,1,1,0,0,20260831,20270702
cal5-wed-9,0,0,1,0,0,0,0,20260902,20270630