service_id,date,exception_type
mtwtf,20120102,2
mtwtf,20120116,2
mtwtf,20120220,2
mtwtf,20111124,2
mtwtf,20111226,2
mtwtfs,20120102,2
mtwtfs,20120116,2
mtwtfs,20120220,2
mtwtfs,20110530,2
mtwtfs,20110704,2
mtwtfs,20110905,2
mtwtfs,20111124,2
mtwtfs,20111226,2
