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Figure 3
The Rubik's cube. Booyabazooka, CC BY-SA 3.0 https://creativecommons.org/licenses/by-sa/3.0/, via Wikimedia Commons. |
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Figure 3
The Rubik's cube. Booyabazooka, CC BY-SA 3.0 https://creativecommons.org/licenses/by-sa/3.0/, via Wikimedia Commons. |