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Several contestants talk about strategy as they manipulate their Rubik's Cubes.
Frank Morris was the only participant to solve the 5x5x5 Rubik's Cube at the International Rubik's Cube competition in San Francisco on Saturday.
More shop talk
Leyan Lo, the new world-record holder for fastest single solving of a Rubik's Cube, talks strategy with Shotaro "Macky" Makisumi, the world-record holder for fastest average solving.