What is the internal structure of the Rubik's Cube?

There is a sphere in the fourth-order Rubik's Cube, and there is a 130 multi-part. Let me tell you about the sphere. First, let's distinguish blocks.

A. Pick out all the white squares and put them together. 16

B. Pick out all the yellow squares and put them together. 16

C. The remaining four colors, namely red, orange, green and blue, are all selected from single-sided monochrome blocks, and each color is stacked. Four each. There are six piles of spare parts now.

D. The other eight sides are of the same color and put in pairs for standby.

A white block area, white single side connected together, 4 spare. Three colors are corners and two colors are edges. The remaining 12 white blocks face down, and the side faces are adjacent to the color blocks, which are arranged clockwise in turn and have the shape of "mouth". Put the spare 4 pieces of white face down into the "mouth", and pay attention to the direction of the groove. Pick up the ball shaft and put all the white squares in clockwise direction. Observe whether the color is correct after setting. 1 floor.

Then randomly take out the 1 side blocks from the four piles D, insert them into the rotating shaft according to the edge color, and then select the center blocks from the C 1~C4 in turn clockwise and put them into the rotating shaft. Observe whether the color is correct after setting. The second floor.

The third floor is the same as the second floor, and the fourth floor is the same as 1 building. Check whether the color position of each layer is correct.

Be careful when closing the fourth floor to avoid damaging the Rubik's cube and the rotating shaft.

The other is

1, scattered Rubik's cube fragments

2. Classified arrangement (the lower left pile is a square connected by S)

3. Three main connectors

The top left corner is T.

On the upper right is S.

The following is d)

4. Assembly tools

5. Remove the two screws and lay them flat on the CD (the upper end of the central square is facing up).

6,2+1(two T packages and one D package)

7. For a * * *, put four sets of 2+ 1, and then put a square for each S, as shown in the figure, set two sets, and pay attention to the same color.

8. the gap in the above picture is obviously for filling in T.

draw

9. Next, put in the side block (that is, there are two colors, pay attention to the corresponding)

9, this part is very important, two side blocks wrap a D.

10, which is the combination.

10, first put two side blocks to wrap a D, then put a corner block, then put two side blocks to wrap a D, and so on (this is not easy to damage the assembled parts.

1 1, and then it became like this.

12, as shown in the figure, put four S.

13, put away four s

14, put T-* * 4 gap at the gap, and put 4.

15, after locking the screws, install four square pieces, and these two layers will be fine.

16, turn the two layers upside down.

17, two sets

S plus square package t

As can be seen from the figure.

18, put it into the side block.

19, the third floor is ready.

20. As shown in the figure, add D to the two side blocks, and then put in the corner blocks.

(same as part 10)

2 1, what it looks like after it is put away.

22, put in four S and four T.

23, put in 4 squares.

You're finished.