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How to remember and use the Rubik's Cube formula? Why don't I understand? Experts will explain when to use this formula and will be more detailed.
Capitalized letters such as R and U turn to one side, lowercase letters such as R and U turn to two layers at the same time, and turn counterclockwise with'. X, y and z are the whole Rubik's cube. How to turn them a little? X, y and z are horizontal axis, vertical axis and front and rear axis respectively. The marks X, Y and Z are 90 clockwise around these three axes respectively, while' is counterclockwise.

Don't think about it yourself when you meet it. Just look at the animation. It's better to get to know each other emotionally

In addition, the brackets () indicate that these actions are a group and can be completed together very coherently and conveniently. () There is a 2 outside the bracket, which means that the steps in the bracket have been done twice. If you don't understand, you can watch the animation.

Note that the front and back directions of E and D are the same, so E' is clockwise from top to bottom. M and l are in the same direction.

See the figure below for details.