service_id,monday,tuesday,wednesday,thursday,friday,saturday,sunday,start_date,end_date
FRI_SAT,0,0,0,0,1,1,0,20180101,20181231
MON,1,0,0,0,0,0,0,20180101,20181231
TUE_WED_THU,0,1,1,1,0,0,0,20180101,20181231