Sentence examples similar to then again conversely from inspiring English sources

Conversely, if Venus chooses right and Serena chooses left, then again, Serena has guessed wrong and this time Venus wins the points 90% of the time and Serena wins the points 10% of the time.

Again and then again".

Boogaard won again, then again.

And again, and then again".

Then again, who knows?

Then again, maybe not.

And then again.

Then again, perhaps not.

"Then again I may".

But then again, maybe!

Then it started again, and then again.