http://www.neuropolis.org/toy-rubic/
as Rubic Cube done?
I thought about the toy drive Rubik's cube.
Standard cube measuring approximately 2 ¼ inches (5.7 cm) on each side. Puzzle consists of twenty-six unique miniature cubes ( "cubes") on the surface. However, the center of each cube face is a simple front of the square are all displayed on the basic mechanisms. These provide structure for other components to accommodate the entry and turn. So there are twenty-one pieces: a piece of a unique database, consisting of three intersecting axes at six squares in the center spot, but turned to leave, and twenty smaller plastic pieces which fit into it, to assemble the puzzle. The cube can be removed without great difficulty, usually turning on one side at an angle 45 ° and curious Cubi "Edge" far from the small cube "Center" to be released (however, lose curious Cubi Horn is a good way to stay Cubi Center – by destroying the dice). It is a simple process for solving the cube to dismantle it and reassembling found in the state, but it is not a problem. There are twelve edge pieces which show both sides of each color, and eight corner pieces which show three colors. Each coin has a unique combination of colors, but not all combinations are present (eg no edge piece with both sides in white and yellow, white and yellow, so they are on opposite sides of the cube solved.). The location of these cubes against others can be changed by turning the outer third Cube 90 °, 180 ° or 270 °, but instead of face paint More than any other state of completion of the puzzle can not be changed: it is determined by the relative position of center and the distribution of color combinations on the edge and corner pieces. For the last cube, color labels are red opposite orange, yellow opposite white, green and blue in the face. However, there are also cubes with alternative color schemes. These cubes are replacing face from yellow and green blue face opposite the white face (with red and orange faces remain unchanged). [edit] Permutations Normal (3×3x3) Rubik's Cube can have (8! × 38-1) × (12 "× 212-1) / 2 = 43,252,003,274,489,856,000 different positions (permutations), or 4.3 × 1019, forty-three trillion (short scale) and forty-three-trillion (long scale), but the puzzle is advertised as a billion "only" working places, because of such obscurity, in general, a large number of laity. Despite the large number of positions, all cubes can be addressed in twenty-seven or fewer moves (see Optimal solutions for Rubik's Cube). In fact, there are (8! × 38) × (12! × 212) = 519,024,039,293,878,272,000 (about 519 trillion to the short scale) possible arrangements of pieces that make up the Cube, but only one of the twelve of them are actually achievable. It's because no sequence of moves that will share a single pair, or turn a corner or edge Cubi. Thus, there are twelve possible configuration files are sometimes called "Space" or "track" which can be placed cube disassembly and reassembling it. [edit] City still faces the original official Rubik's Cube has no marks on the center faces. This obscures the fact that the center faces can rotate independently. If you have a brand pen, you could, for example, brand central squares, cubes with four unshuffled color markings on both sides, each of which corresponds to the color of the adjacent Square. Some pieces are also commercially produced marked on all seats, as Lo Shu magic square or suits the game map. Thus, you can encrypt and decrypt the Cube has markings on the center of rotation, and became an additional challenge to the "solution" center well. Put marks on Rubik's Cube increasing problem mainly because it extends the range of possible configurations. When the cube is clear that the direction from the central square, will always have an even number of squares, which require quarter turn. Thus, there is 46 / 2 = 2048 possible configurations of the square in the center position clear, they increase the total number of permutations cubes of 43,252,003,274,489,856,000 (43 * 1018) is 88,580,102,706,155,225,088,000 (89 * 1021), which represents an increase of more than 1000 times.
The worlds most amazing toy…
