service_id,monday,tuesday,wednesday,thursday,friday,saturday,sunday,start_date,end_date
wd,1,1,1,1,1,0,0,20090906,20200601
sa,0,0,0,0,0,1,0,20090906,20200601
su,0,0,0,0,0,0,1,20090906,20200601
mf,1,1,1,1,1,1,0,20090906,20200601
aw,1,1,1,1,1,1,1,20090906,20200601
