Welp. I tried so many times that it just gave me greens, apparently. But it won't let me go on. https://i.gyazo.com/309ce7ed8939d044cc1d893a5fed4d29.png
If one of the necessary premises of a puzzle is that it's "possible to click a piece while it's spinning," please make sure that's actually true for all computers. I've been trying to double click, click and click again, it's just not a thing that can happen.
 "Exit/Corners"){kind=icon}
Hm, the one in the top left looks bugged. I'd suggest trying again and if it still doesn't work, let me know.