service_id,monday,tuesday,wednesday,thursday,friday,saturday,sunday,start_date,end_date
wd,1,1,1,1,1,0,0,20110401,20130401
sa,0,0,0,0,0,1,0,20110401,20130401
su,0,0,0,0,0,0,1,20110401,20130401
mf,1,1,1,1,1,1,0,20110401,20130401
aw,1,1,1,1,1,1,1,20110401,20130401
