Speedcubes should be turned with fingers.For starting position, the left and right fingers are placed on the left and right layers resp- ectively. The right hand could have 2 starting positions, as shown in the pictures beside.

R

Upward rotation by right hand

R

Downward rotation by right hand

U

Turn to the left by right index finger

U

Turn to the right by left index finger

F

Downward rotation by right index finger

F

Upward rotation by right thumb

Speed cube algorithms are represented by capital letters, numbers and ['].Each symbol represents rotation.Rules are as follows:

1

the color of the center pieces

Find these edge pieces with the following colors white red, white blue, white orange, white green and ignorethosewithoutwhite The diagram below indicates different situations findthe matchedcaseandexecutethemovem- ent according to it, in order to put the white side next to the yellow center.

- Case1
- Case2
- Case3

The gray represents the unnecessary part in this step

The translucent area rep-resents the final position af-terexecuting the movemen

If there's already white edge on the top layer, hide it first and then keep solving forthe Cross

Turn the top layerto match every cross piece one by one, turn 180° to matched down white center pieces. Repeatthis step until all the cross pieces are in the right place.

Cross is actually pretty easy. if you can solve one side you can solve cross too. Do brainstorming:)

2

Find white corner pieces at the to player,and put that corner on top of the matched position. In this example, the white red blue corner is matching with the red and blue centers.

Execute the right algorithm according to the situations shown in the diagram below.

Repeat this step until all four corners are solved.

3

Find the edge which is not with yellow, and match its side color

Execute the right algorithm according to the situations shown in the diagram below.

Repeat this step until two layers will be solved.

If there are no right pieces in the top layer execute the above algorithms in this step, like (R'F'RU)(RU'R'F)

Like this case, the green orange edge will replace bythe top layer, and then follow the instruction to solve

The ( ) in the algorithm only contributes with better fingetricks, and helps with the memorization, which will not affect the turning ofthe algorithm.

4

This step only requires the yellow side ofthe top , the othersides could be ignored.

There are only four cases in this step, which execute the Algorithm 6 once wil I transform to the next case, until the yellow cross is done.

5

The diagram is vertical view, and the yellow bars represent the vel low pieces on the sides.

Focus on top side, and there are 7 cases fortotal. The caseswhich only have one yellow corneron the top side just need to execute the algorithm once.

(R U2)(R' U'R U'R')

Algorithm7

(R U R'U)(R U2 R')

Algorithm8

The other 5 cases require two algorithms7.

Algorithm7+

Algorithm7

Algorithm7+ U'

+Algorithm7

Algorithm7+U'

+Algorithm8

Algorithm7+U

+Algorithm8

Algorithm7+U2

+Algorithm8

The top side will be solved.

Make sure to adjust to the right position before executing the algorithm.

In Step4/5/7, ifthefirsttwo layerswas solved, the case is not included in the instruction, such as eight yellow pieces on the Cop side, oronly two edges need to switch.

These situations indicatethatthe cube is assembled in-correctly, which have to reassemble to the solved state.

CFOP's algorithms areway more than the beginner method, exceptfor the Cross. Cross does not really need algorithms, as itcan be solved byexperience within 8 steps.

In CFOP ,the F2L ( First Two Layers) combines Stel2 and 3, which a pairofcornerand edge can be doneby only one algorithm, with twice efficiency.

CFOP can directly solve the cases in Step 4 by only one algorithm OLLcombines Step 4 and 5, and PLL combines Step 6 and 7, efficient by 200%.

6

Find the corners with the same color on the sides, and then execute Algorithm 9. If all the corners are placed correctly, then skip to Step 3.

If none of the corners are placed correctly, execute Algorithm 9 once, and look for a pair of the corner, then executeAlgorithm 9 once again.

Match the corners with the color of the first 2 layers bydoing U layermove

The principle of Algorithm 9 is exchange the position of left and right rear comers.

Pay attention to the direction of L and L.

7

The diagram is vertical view. The arrows represent the moving direction of the edge pieces, and the black bars representthe same-colored pieces.

M is the movement of middle laver.lt could be done by either index finger or ring finger pushing. M'could be done by ring finger move

M'2 U M U2 M' U M'2

Algorithm10

Algorithm10+

Algorithm10

Algorithm10+U+

Algorithm10+U'

Algorithm10+U'

+Algorithm10+U

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