We use the concept of Markov chain mixing time to determine the number of moves required to mix up a 2x2x2 Rubik's cube.
How hard is it to scramble Rubik’s Cub?
https://theconversation.com/how-hard-is-it-to-scramble-rubiks-cube-129916
We use the concept of Markov chain mixing time to determine the number of moves required to mix up a 2x2x2 Rubik's cube.
How hard is it to scramble Rubik’s Cub?
https://theconversation.com/how-hard-is-it-to-scramble-rubiks-cube-129916