service_id,monday,tuesday,wednesday,thursday,friday,saturday,sunday,start_date,end_date
WKDY,1,1,1,1,1,0,0,20170325,20180630
SAT,0,0,0,0,0,1,0,20170325,20180630
SUN,0,0,0,0,0,0,1,20170325,20180630