Did you ever try multiple copies?

I did, but the combinatorics are mad. I have also tried training a meta-model that predicts the outputs of the combinations.

I will make another post if the topic is popular; its pretty geeky though, even more than my usual blog posts...

My first idea would be to generate one of those heatmaps using RYS as the base model. And see if it gets meaningfully better. And then again!