service_id,monday,tuesday,wednesday,thursday,friday,saturday,sunday,start_date,end_date
SN,0,0,0,0,0,1,1,20070402,20080303
ST,0,0,0,0,0,1,0,20070402,20080303
WD,1,1,1,1,1,0,0,20070402,20080303
