service_id,monday,tuesday,wednesday,thursday,friday,saturday,sunday,start_date,end_date
wkd,1,1,1,1,1,0,0,20120513,20120616
sat,0,0,0,0,0,1,0,20120513,20120616
sun,0,0,0,0,0,0,1,20120513,20120616