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Writing Code to Solve a Rubik's Cube | by Brad Hodkinson | Medium
The Beginner's Rubik's Cube Algorithms: The White Cross Method
A Brief History of the Rubik's Cube | Innovation| Smithsonian Magazine
Amazon.com: Rubik's Master, The Official 4x4 Cube Classic Color-Matching Problem-Solving Brain Teaser Puzzle 1-Player Game Toy, for Adults & Kids Ages 8 and up : Toys & Games
Rubik's Cube Inventor Opens Up About His Creation in New Book 'Cubed' - The New York Times