The first and third-order Rubik's Cube structure: each side has a center color block, four corner character blocks and four edge color blocks. The center color block determines the color of that side when the Rubik's Cube is completed.

Recovery methods for second- and third-level Rubik's cubes: layer-first method, corner-first method, edge-first method, etc.

Third and third-order Rubik's Cube formulas and techniques: layer-first method, angle-first method, edge-first method, advanced formulas OLL and PLL, memory techniques (memory palace method, story method, music method, etc.), fingers Skill.