Twenty Moves Suffice for Rubik's Cube(gathering4gardner.org)
gathering4gardner.org
Twenty Moves Suffice for Rubik's Cube
https://www.gathering4gardner.org/com-2024-01-21/
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Tom Rokicki fascinatingly explains the story behind calculating the maximum number of moves needed to solve Rubik's cube. Video: https://youtu.be/0FAYWovO2Cc