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Most events use averages of 5 (Ao5). It's an average of 3 times since the best and worst time are removed.
The 3x3x3 cube (also known as "Rubik's cube" and "magic cube") was invented by Ernő Rubik in 1974, and was quickly unveiled in the early 1980s.
This is a mechanical and geometric puzzle composed of with 26 elements (called cubies), which can be moved with a system of axes, that is hidden in the center of the cube. Each of the six faces is covered by 9 stickers, among six solid colours (traditionally being white, yellow, orange, red, blue, and green). The system of axes enables each layer to turn independently, thus mixing up the colours. For the puzzle to be solved, each face must be a solid colour.
It is said to be the world's best-selling toy, with over 350 millions cubes sold worldwide as of 2009.
It has inspired many widely available variations such the 2×2×2, the 3×3×3, the 4×4×4, the 5×5×5, larger sizes ones, the Pyraminx (tetrahedron), the Skewb Diamond (octahedron), the Megaminx (dodecahedron) or the Dogic (icosahedron). All of these items belong to a broad category of puzzles commonly referred to as "twisty puzzles". Some twisty puzzles are shape-shifting (such as the Square One) or custom-built (such as shape modifications of existing mechanisms).
Many subjects have been built around cubing:
- Common substeps :
- Cross, F2L, LL, OLL, PLL, CMLL, PBL, CLL, ELL, CxLL, ZBLL, more...
- Common cube states :
- 2x2x2 beginner methods, as the Ortega method
- 2x2x2 speedsolving methods, as the EG method
- 3x3x3 beginner methods, as The Beginner method
- 3x3x3 speedsolving methods, as the CFOP method
- Blindsolving methods, Fewest Moves methods, Experimental methods, Big Cubes methods
- Fastest Videos for each Method
- 2x2x2 cubes
- 3x3x3 cubes
- Other Puzzles
- Breaking in
- Puzzle Types:
- 2x2x2, 3x3x3, 4x4x4, 5x5x5, 6x6x6, 7x7x7, Pyraminx, Megaminx, Square-1, Magic, more...