1. Typical and extremal aspects of friends-and-strangers graphs;Alon,2020
2. Friends and strangers walking on graphs;Defant;Comb. Theory,2021
3. Notes on the ”15” puzzle;Johnson;Am. J. Math.,1879
4. An equivalence relation on the symmetric group and multiplicity-free flag h-vectors;Stanley;J. Comb.,2012
5. Graph puzzles, homothopy, and the alternating group;Wilson;J. Comb. Theory (B),1974