The Overgrid team found 30 bugs in its harness during optimization and had to discard research conducted before each bug was found because it was contaminated.

“of trying to optimize we found 30 bugs in the in the harness right so like like every all the research that went in before we found the bug we have to we have to throw it away because it's contaminated which uh you know just to your point of reward hacking like even in this very simple game we found the bugs uh”