service_id,monday,tuesday,wednesday,thursday,friday,saturday,sunday,start_date,end_date
FULLW,1,1,1,1,1,1,1,20110101,20201231
WORKW,1,1,1,1,1,0,0,20110101,20201231
WE,0,0,0,0,0,1,1,20110101,20201231