service_id,monday,tuesday,wednesday,thursday,friday,saturday,sunday,start_date,end_date
MTWHF,1,1,1,1,1,0,0,20090101,20500101
MTWHFSU,1,1,1,1,1,1,1,20090101,20500101
S,0,0,0,0,0,1,0,20090101,20500101
SU,0,0,0,0,0,1,1,20090101,20500101
U,0,0,0,0,0,0,1,20090101,20500101
