service_id,date,exception_type
mtwtf,20190527,2
mtwtf,20190704,2
mtwtf,20190902,2
mtwtf,20191014,2
mtwtf,20191111,2
mtwtf,20191128,2
mtwtf,20191225,2
mtwt,20190527,2
mtwt,20190704,2
mtwt,20190902,2
mtwt,20191014,2
mtwt,20191111,2
mtwt,20191128,2
mtwt,20191225,2
mf,20190527,2
mf,20190902,2
mf,20191014,2
mf,20191111,2
