service_id,monday,tuesday,wednesday,thursday,friday,saturday,sunday,start_date,end_date
mtwtf,1,1,1,1,1,0,0,20200801,20211015
sat,0,0,0,0,0,1,0,20200801,20200801
m,1,0,0,0,0,0,0,20200803,20200803
fs,0,0,0,0,1,1,0,20200801,20200807
sun,0,0,0,0,0,0,1,20200801,20200801
