Rubik's Cube — Wikipédia
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Feliks Zemdegs, Rubik's Cube Wiki
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Rubik's Cube - Wikipedia
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Professor's Cube - Wikipedia
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Rubik's Cube - Wikipedia
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Rubik's Cube - Wikipedia
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WikiCube
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Rubik's Cube - Wikipedia
How was Rubik's Cube invented? When did it get popular? - Quora
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Rubik's Snake, Rubiks Wiki
![](https://static.wikia.nocookie.net/speedsolving/images/5/52/Dan_Knights.jpg/revision/latest/scale-to-width-down/250?cb=20140912233931)
Dan Knights, Rubik's Cube Wiki
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Ernő Rubik - Wikipedia
![](https://upload.wikimedia.org/wikipedia/commons/2/22/Mirror_Cube_solved.png)
Mirror blocks - Wikipedia