service_id,monday,tuesday,wednesday,thursday,friday,saturday,sunday,start_date,end_date
mtwtf,1,1,1,1,1,0,0,20000101,20220108
sun,0,0,0,0,0,0,1,20000101,20220108
79885,0,0,0,0,0,1,0,20190801,20220108
ss,0,0,0,0,0,1,1,20000101,20220108
mtwtfs,1,1,1,1,1,1,0,20000101,20220108
sat,1,1,1,1,1,0,0,20190101,20220108
