I looked a bit for similar puzzles, and it seems this class of puzzles has a better name: A “Toroidal Sliding Block Puzzle”[1]
[1]: https://puzzlingiphone.wordpress.com/2008/11/22/toroidal-sli...
I looked a bit for similar puzzles, and it seems this class of puzzles has a better name: A “Toroidal Sliding Block Puzzle”[1]
[1]: https://puzzlingiphone.wordpress.com/2008/11/22/toroidal-sli...