service_id,monday,tuesday,wednesday,thursday,friday,saturday,sunday,start_date,end_date
mtwtfs,1,1,1,1,1,1,0,20231031,20261231
mtwtf,1,1,1,1,1,0,0,20231031,20261231
s,0,0,0,0,0,1,0,20231031,20261231
tt,0,1,0,1,0,0,0,20231031,20261231
