216
What would you do?
(mander.xyz)
A place for majestic STEMLORD peacocking, as well as memes about the realities of working in a lab.

Rules
This is a science community. We use the Dawkins definition of meme.
A lot of the issue with logic problems is the "common sense" element required. With purely geometric problems, there are less of these to worry about.
Chess problems also work well to teach logical step application.