Hnns Hlgr Rtz is a user on octodon.social. You can follow them or interact with them if you have an account anywhere in the fediverse.
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Cracking my brain over this question: How many alternative paths (none of which contains another) can you draw between two points on two different pages of a (bound) book? How many if you allow rotations but not mirroring?
Ok, I think I understood the basic paths...