あべこべ

contrary, opposite, inverse, reverse, back-to-front

JLPT N1

Details

Part of Speech:: Noun which may take the genitive case particle 'no', Na-adjective , Noun
Romaji:: abekobe

あべこべのことを考えてみてはどうですか

Have you ever thought about the opposite?

あべこべの順序でやればうまくいくかもしれない

If you do things in reverse order, it might go well