Superflip and Rubik's Cube - Numberphile
A Rubik's Cube in the superflip position has a several very special properties. More links & stuff in full description below ↓↓↓ See our full series of Rubik's Cube videos at: http://www.you...
==========
JAMES GRIME: OK, so, the superflip-- so let me write down the superflip for you. Rubik's cube fans have a notation, and they call this the up, they call this the down, they call this the right-hand side-- for obvious reasons-- the left-hand side, the front, which is facing me-- and the back, which is facing away from me there. So it's got up, down, left, right, front, and back. I can write down the superflip using this idea. It's going to take 20 moves. I'm going to write down what the 20 moves are, then we'll try it out. Looks like this-- up. So I'm going to turn the up once. Now, this means right-hand side twice-- once, twice. Front-- that's towards me-- once. Back-- that's over here. That's the back-...
==========
JAMES GRIME: OK, so, the superflip-- so let me write down the superflip for you. Rubik's cube fans have a notation, and they call this the up, they call this the down, they call this the right-hand side-- for obvious reasons-- the left-hand side, the front, which is facing me-- and the back, which is facing away from me there. So it's got up, down, left, right, front, and back. I can write down the superflip using this idea. It's going to take 20 moves. I'm going to write down what the 20 moves are, then we'll try it out. Looks like this-- up. So I'm going to turn the up once. Now, this means right-hand side twice-- once, twice. Front-- that's towards me-- once. Back-- that's over here. That's the back-...
