Thanks a lot for the suggestions! I added hints to the Yin-Yang one. Regarding the spiral, I get what you say, but I've found that more convenient parameters y

Thanks a lot for the suggestions! I added hints to the Yin-Yang one. Regarding the spiral, I get what you say, but I've found that more convenient parameters yield spirals that I like much less. I broke down the hints so that it's less spoiler-y, hope this makes for a better experience.