Friday, October 21, 2011

Every Possible State of a Standard Rubik’s Cube can Be Solved in 20 Moves or Less



Today I found out that all 43,252,003,274,489,856,000 positions of a standard Rubik’s Cube can be solved in 20 moves or less.

Anyone who is serious about solving a Rubik’s Cube uses some sort of algorithm, or sequence of steps to help them solve the puzzle. There are many different algorithms, varying in complexity and number of moves required, but those that can be memorized and used by a human typically require more than forty moves.

Continue reading here.

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