Sunday, August 7, 2011

The Middle Layer of The Rubik's Cube

As you can imagine, the third step to the Rubik's Cue is solving the middle layer of the cube. To start this process you need to flip your cube over so that the color opposite to white (mine is yellow) is on the top. If you look at what we did before, it was like we made little upside down" T"s on the cube this is a very important part to this step. This step only has two different sequences but it has four different combinations. It you look at your cube now, we would be putting the pieces in between the "T"s in their right place. In order to use the sequences we have to make a bigger "T". To do that, you turn the upper face until a larger T is made. When a T is made the top of that square cannot be yellow, if there is none, that means all of the pieces you need are in the middle layer and are in the right or wrong spots. If you have that situation, then you do one of the following sequences to get it back to the upper face. If it isn't that, you compare the color of the square on the top to either the left or the right sides. If it matches the right side, you need to do this sequence: U, R, u, r, u, f, U, F. Now the piece should be in the right place. If you need to move the square to the left, you need to do this sequence: u, l, U, L, U, F, u, f. Now that piece should also be in the right spot and after you repeat those steps and have the middle layer solved your cube should match the picture below and you would be two thirds of the way done!

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