2 Ads for each ad group should be unique with KWI variations

instead of a single ad generated from the content repository and iterated 3 additional ways, please generate two ads from the content repository and iterate each of those with Keyword Insertion and swap the Description Lines as described below.

> H1 (a), D1 (a), D2 (a)
> H1 (b), D1 (b), D2 (b)
> H1

{keyword insertion} (a), D2 (a), D1 (a)
> H1 {keyword insertion}

(b), D2 (b), D1 (b)