service_id,monday,tuesday,wednesday,thursday,friday,saturday,sunday,start_date,end_date
unl_limited,1,1,1,1,1,0,0,20200316,20200821
mtwtfs,1,1,1,1,1,1,0,20200402,20201231
mtwtf,1,1,1,1,1,0,0,20200402,20201231
