service_id,date,exception_type
mtwtf,20111124,2
mtwtf,20111125,2
mtwtf,20111226,2
mtwtf,20111231,2
mtwtf,20120529,2
mtwtf,20120704,2
mtwtf,20110905,2
5pm,20111124,1
5pm,20111231,1
sat,20111126,1
