I’d like to ask the good people of this community that, if you do know the solution or figure it out, that you not share the answer here. Feel free to announce your success, but there’s something to be said for discovering the answer completely unaided, even if it takes years.
It’s embarrassingly obvious once you see it though.
Took me a bit more and I’m not autistic. But: see below.
Hint that helped me
Reading op claiming he figured it by just looking at it and not making complicated calculations on a piece of paper probably helped a lot.