_id,tracking_code,ad_group,campaign_name
1,abc123,abc-adgroup,123 Campaign
2,def123,def-adgroup,123 Campaign
3,ghi123,ghi-adgroup,123 Campaign
4,abc456,abc-adgroup,456 Campaign
5,def456,def-adgroup,456 Campaign
6,ghi456,ghi-adgroup,456 Campaign
7,abc789,abc-adgroup,789 Campaign
8,def789,def-adgroup,789 Campaign
9,ghi789,ghi-adgroup,789 Campaign
10,abc987,abc-adgroup,987 Campaign
11,def987,def-adgroup,987 Campaign
12,ghi987,ghi-adgroup,987 Campaign
13,abc654,abc-adgroup,654 Campaign
14,def654,def-adgroup,654 Campaign
15,ghi654,ghi-adgroup,654 Campaign
16,abc321,abc-adgroup,321 Campaign
17,def321,def-adgroup,321 Campaign
18,ghi321,ghi-adgroup,321 Campaign