Rubik's Cube theory: Why R U2 D' B D' has order 1260 [EN]

Описание к видео Rubik's Cube theory: Why R U2 D' B D' has order 1260 [EN]

The sequence of moves R U2 D' B D' on a Rubik's cube needs to be repeated 1260 times in order to restore the cube again. This means, the order of that sequence is 1260. This is actually the highest order you can achieve on a 3x3 cube. In this video I present you a simple mathematical proof that the order is indeed 1260. After that, I also present you a bit more "practical" proof ...

• Mathematical Proof 00:00
• Let's do it (0) 05:47
• Three corners flipped (420) 20:19
• Two edges flipped (630) 27:20
• Three corners flipped (840) 34:52
• Done (1260) 48:47

PS: In case you wonder how I created the numbered timestamps: https://gist.github.com/ScriptRaccoon...

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