service_id,date,exception_type
3_merged_787779,20120406,1
3_merged_787779,20120521,1
3_merged_787782,20120806,1
3_merged_787782,20120702,1
1_merged_787781,20120806,2
1_merged_787781,20120702,2
1_merged_787778,20120406,2
1_merged_787778,20120521,2
