service_id,date,exception_type
3_merged_837286,20130101,1
3_merged_837286,20130218,1
3_merged_837289,20130329,1
3_merged_837289,20130520,1
1_merged_837285,20130101,2
1_merged_837285,20130218,2
1_merged_837288,20130329,2
1_merged_837288,20130520,2
