02 quadrilateral bottom layer and central block reduction:
Based on the whole surface restored in the first step, restore the trapezoid formed by the bottom layer of four sides and the central block, as shown in the following figure. When the second step is completed, the completion surface of the first step remains unchanged.
The complete surface completed in the first step has been used as the bottom surface:
Facing your face is "front" The lower two layers are complete on all sides, that is to say, the lower two layers are completely restored on all sides, as shown in the following figure.
04 restore the top cross:
After completing the third step, the next step is to restore the top cross star, as shown in the figure below.
05 square at the top of four sides (cross homing):
The square at the top of the four sides, that is to say, the square in the middle of the top of the four sides corresponds to the central block of the middle layer. As shown in the figure below.
06 Square alignment on both sides of the top four sides (upper corner returns):
The squares on both sides of the four-sided attic are aligned, which means that the squares at the two corners of the four-sided attic are in place. Resetting does not mean that the colors should be aligned, as long as the color of this block corresponds to the colors of three sides, as shown below.
07 Top Completion:
Top-level completion refers to the color matching between each face and the top four corners when the four corners are returned in the sixth step, as shown in the following figure.