service_id,start_date,end_date,monday,tuesday,wednesday,thursday,friday,saturday,sunday
MF,20200101,20230101,1,1,1,1,1,0,0
SAT,20200101,20230101,0,0,0,0,0,1,0
SUN,20200101,20230101,0,0,0,0,0,0,1
