This 15 minute video is a pretty accessible explanation of a technique for solving Rubik's-type puzzles: A simple trick to design your own solutions for Rubik's

This 15 minute video is a pretty accessible explanation of a technique for solving Rubik's-type puzzles: A simple trick to design your own solutions for Rubik's cubes [1] [1] https://www.youtube.com/watch?v=-NL76uQOpI0 https://www.youtube.com/watch?v=-NL76uQOpI0