0 1. Up, right, down, right and anti-left-Toggles the position of the small squares on the two adjacent vertices above.
02. Up, Left, Down and Down-Swap the positions of the small squares on the top two diagonal vertices.
03. Top left, bottom left, top left, Zuo Zuo and bottom Zuo Zuo-the small squares on the top three vertices are rotated by 120 degrees.
04. Up, left, left, right, down, right, down, right-exchange the small squares in the middle of the three sides in turn, while ensuring that all other small squares do not move.
The restoration of the third-order Rubik's cube by the "layer priority method" is divided into the following six stages:
The first stage: for the top span, restore the top edge block.
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The second stage: restore the top corner block.
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The third stage: restore the middle prism.
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The fourth stage: for the bottom span, restore the bottom edge block.
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The fifth stage: turn over the bottom corner block and align the background color. (To understand, the Rubik's Cube is turned here. )
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The sixth stage: adjust the position of the bottom corner block and restore.
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Extended data:
Fourth-order recovery:
The order reduction method is more suitable for beginners, and the general direction is to turn it into a big third-order Rubik's cube. ?
Restore the four color centers on each side, and the color of each side must be the same as the original. There are two pairs in the middle of each edge, that is, the union edge. This formula is replaced by one of the first two layers: FMD of MDRF. After the first two steps are completed, it is a big third-order Rubik's cube, and almost all the steps are handled by the third-order Rubik's cube.
In the end, you may encounter two special situations, which are dealt with as follows:
Only one pair of opposite prism groups need to be exchanged. Put the block group to be exchanged on it, and put MR2U2MR2TU2MR2MU2 in the front and back direction.
You need to flip and flip only one block group. Put the building block to be rotated at the top, nearest to you.
The following formula is called chamfering formula: mr2b2u2ml' u2mr' u2mru2fmrf2mb2mr2.
And M= the middle, for example, MR= the middle two floors are on the right, and everything else is pushed. TU stands for the upper two floors.
Now, the rotation method is:
For example, R means that the right floor rotates 90 degrees clockwise to see from right to left.
U means the upper floor turns 90 degrees clockwise, from top to bottom.
F means that the front floor turns 90 degrees clockwise, from front to back.
If you add an apostrophe ('), it means counterclockwise. If you add 2 after it, it is 180 degrees.
Judging clockwise and counterclockwise is always judged from one of the above three views.
A recording method of Rubik's cube rotation;
Singmaster tag consists of "code number of each layer" and "rotation direction".
Code of each layer: Each layer of the Rubik's Cube is referred to by the English initials. R (right), L (left), U (upper), D (lower), F (front) and B (rear) refer to right, left, top (upper), bottom (lower), front (front) and rear (rear) layers respectively.
Rotation direction: rotate 90 clockwise to directly write the codes of each layer; Rotate 90 counterclockwise, and each layer codes suffix' or I'; Rotation 180, with each layer coded with suffix 2 or 2 (default clockwise rotation 180).
The complete Singmaster mark can be understood as rotating in the direction from the perspective of the reference layer.
For example: r, rotate the right side 90 degrees clockwise from the angle facing the right side. From the front, that is, the right side turns 90 "upward".
Another example: d, from the angle facing the bottom surface, rotate the bottom surface clockwise by 90 degrees. From the front, that is, turn right 90 on the right.
Another example: b', rotate the back 90 counterclockwise from the angle facing the back. From the front, that is, turn right 90 degrees from the back.
In addition, if you want to record the rotation of the Rubik's cube in more detail, you will also use: m (middle) is used with u, f and l to refer to each middle layer; C(Complete) is used together with U, F and L, indicating that the whole Rubik's Cube rotates in the form of a certain layer.
For example, MU, rotate the middle layer clockwise by 90 from the top view. From the front, that is, turn left 90 degrees from the second floor above.
For example: CF, rotate the whole Rubik's cube clockwise by 90 degrees from the front view. That is, the whole Rubik's cube rotates 90 degrees to the right along the vertical plane.
References:
/baike.baidu.com/item/%E4% B8% 89% E9% 98% B6% E9% AD% 94% E6% 96% B9 # 3 "target =" _ blank "title =" Baidu Encyclopedia-Third-Order Rubik's Cube "> Baidu Encyclopedia-Third-Order Rubik's Cube.
References:
/baike.baidu.com/item/%e9% ad% 94% E6% 96% B9% E5% A4% 8d% E5% 8e% 9f/6274086 "target =" _ blank "title =" Baidu Encyclopedia-Rubik's Cube Restore "> Baidu Encyclopedia-Rubik's Cube Restore.
References:
/baike.baidu.com/item/%e9% ad% 94% E6% 96% B9/5275 "target =" _ blank "title =" Baidu Encyclopedia-Rubik's Cube "> Baidu Encyclopedia-Rubik's Cube (an intellectual sport).