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User:HaiJohnM/sandbox

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    This isthe usersandbox ofHaiJohnM. A user sandbox is a subpage of the user'suser page. It serves as a testing spot and page development space for the user and isnot an encyclopedia article.Create or edit your own sandboxhere.

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    Puzzles solved by mechanical manipulation
    Part of a series on
    Puzzles
    Jigsaw piece
    A combination puzzle collection
    A disassembled modern Rubik's 3x3

    Acombination puzzle, also known as asequential move puzzle, is a which consists of a of pieces which can be manipulated into different combinations by a of . Many such puzzles aremechanical puzzles offorme polyhédrale, consisting of multiple layers of pieces along each axis which can rotate independently of each other. Collectively known astwisty puzzles, the archetype of this kind of puzzle is theCube Rubik. Each rotating side is usually marked with different colours, intended to be scrambled, then solved by a sequence of moves that sort the facets by colour. Generally, combination puzzles also include mathematically defined examples that have not been, or are impossible to, physically construct.


    Unpuzzle de combinaison, également appelépuzzle à mouvements séquentiels, est unpuzzle composé d'unensemble de pièces qui peuvent être manipulées en différentes combinaisons grâce à ungroupe d'opérations. Beaucoup de ces puzzles sont despuzzles mécaniques deforme polyhédrale, composés de plusieurs couches de pièces le long de chaque axe, qui peuvent tourner indépendamment les unes des autres. Collectivement appeléspuzzles tournants, l'archétype de ce type de puzzle est leCube Rubik. Chaque côté tournant est généralement marqué de différentes couleurs, destinées à être mélangées, puis résolues par une séquence de mouvements qui trie les facettes par couleur. En général, les puzzles de combinaison incluent également des exemples mathématiquement définis qui n'ont pas été, ou sont impossibles à, construire physiquement.

    Description

    [edit]

    A combination puzzle is solved by achieving a particular combination starting from a random (scrambled)combinaison. Often, the solution is required to be some recognisable pattern such as "all like colours together" or "all numbers in order". The most famous of these puzzles is the originalRubik's Cube, a cubic puzzle in which each of the six faces can be independently rotated. Each of the six faces is a different colour, but each of the nine pieces on a face is identical in colour in the solved condition. In the unsolved condition, colours are distributed amongst the pieces of the cube. Puzzles like the Rubik's Cube which are manipulated by rotating a section of pieces are popularly calledtwisty puzzles. They are often face-turning, but commonly exist in corner-turning and edge-turning varieties.

    Un puzzle de combinaison se résout en atteignant une combinaison particulière à partir d'unecombinaison aléatoire (mélangée). Souvent, la solution doit correspondre à un motif reconnaissable tel que « toutes les couleurs similaires ensemble » ou « tous les chiffres dans l'ordre ». Le plus célèbre de ces puzzles est leRubik's Cube original, un puzzle cubique dans lequel chacune des six faces peut être tournée indépendamment. Chacune des six faces a une couleur différente, mais chacune des neuf pièces d'une face est identique en couleur dans l'état résolu. Dans l'état mélangé, les couleurs sont réparties parmi les pièces du cube. Les puzzles comme le Rubik's Cube, qui sont manipulés en faisant pivoter une section de pièces, sont communément appeléspuzzles tournants. Ils sont souvent à rotation de faces, mais existent également sous des formes à rotation de coins et à rotation de bords.

    The mechanical construction of the puzzle will usually define the rules by which the combination of pieces can be altered. This leads to some limitations on what combinations are possible. For instance, in the case of the Rubik's Cube, there are a large number of combinations that can be achieved by randomly placing the coloured stickers on the cube, but not all of these can be achieved by manipulating the cube rotations. Similarly, not all the combinations that are mechanically possible from a disassembled cube are possible by manipulation of the puzzle. Since neither unpeeling the stickers nor disassembling the cube is an allowed operation, the possible operations of rotating various faces limit what can be achieved.

    La construction mécanique du puzzle définit généralement les règles selon lesquelles la combinaison des pièces peut être modifiée. Cela entraîne certaines limitations sur les combinaisons possibles. Par exemple, dans le cas du Rubik's Cube, il existe un grand nombre de combinaisons qui peuvent être obtenues en plaçant aléatoirement les autocollants colorés sur le cube, mais toutes ces combinaisons ne peuvent pas être obtenues en manipulant les rotations du cube. De même, toutes les combinaisons qui sont mécaniquement possibles à partir d'un cube démonté ne peuvent pas être réalisées par manipulation du puzzle. Étant donné que ni l'arrachage des autocollants ni le démontage du cube ne sont des opérations autorisées, les opérations possibles de rotation des différentes faces limitent ce qui peut être accompli.

    Although a mechanical realization of the puzzle is usual, it is not actually necessary. It is only necessary that the rules for the operations are defined. The puzzle can be realized entirely invirtuel space or as a set of mathematical statements. In fact, there are some puzzles that can only be realized in virtual space. An example is the 4-dimensional 3×3×3×3téseract puzzle, simulated by theMagicCube4D software.

    Bien qu'une réalisation mécanique du puzzle soit courante, elle n'est en réalité pas nécessaire. Il suffit que les règles des opérations soient définies. Le puzzle peut être entièrement réalisé dans un espacevirtuel ou sous forme d'un ensemble d'énoncés mathématiques. En fait, il existe des puzzles qui ne peuvent être réalisés que dans un espace virtuel. Un exemple est le puzzletéseract 4D 3×3×3×3, simulé par le logicielMagicCube4D.

    Types

    [edit]

    There have been many different shapes of Rubik type puzzles constructed. As well as cubes, all of thepolyèdres réguliers and many of thesemi-réguliers andstellaires polyhedra have been made.

    Il existe de nombreuses formes différentes de puzzles de type Rubik qui ont été conçues. En plus des cubes, tous lespolyèdres réguliers ainsi que de nombreux polyèdressemi-réguliers et polyèdresstellaires ont été réalisés.

    Regular cuboids

    [edit]

    Aparallélépipède is arectilignepolyèdre. That is, all its edges form right angles. Or in other words (in the majority of cases), a box shape. A regular cuboid, in the context of this article, is a cuboid puzzle where all the pieces are the same size in edge length. Pieces are often referred to as "cubies".

    Parallélépipèdes réguliers

    [edit]

    Unparallélépipède est unpolyèdrerectiligne. Autrement dit, toutes ses arêtes forment des angles droits. En d'autres termes (dans la majorité des cas), une forme de boîte. Un parallélépipède régulier, dans le contexte de cet article, est un puzzle parallélépipède où toutes les pièces ont la même taille en longueur d'arête. Les pièces sont souvent appelées des « cubies ».

    PictureDataComments
    2×2×2 Cube Puzzle
    Main article:Pocket Cube
    Nom commercial : Cube de poche

    Forme géométrique :Cube

    Configuration des pièces : 2×2×2

    Main article:Pocket Cube
    Il est plus facile à résoudre que le cube standard, car seuls lesalgorithmes pour les pièces de coin sont nécessaires. Cependant, il reste étonnamment non trivial à résoudre.
    3×3×3 Cube PuzzleNom commercial : Rubik's Cube

    Forme géométrique :Cube

    Configuration des pièces : 3×3×3
    Main article:Rubik's Cube
    L'origine de Rubik's Cube
    4×4×4 Cube PuzzleNom commercial: Rubik's Revenge

    Forme géométrique:Cube

    Configuration des pièces: 4×4×4

    Main article:Rubik's Revenge
    La solution est essentiellement la même que pour le cube 3×3×3, à l'exception du fait que desalgorithmes supplémentaires (et relativement simples) sont nécessaires pour résoudre les pièces centrales et les arêtes, ainsi que pour gérer la parité supplémentaire qui n'est pas présente sur le Rubik's Cube 3×3×3.
    5×5×5 Cube PuzzleNom commercial: Professor's Cube

    Forme géométrique:Cube

    Configuration des pièces: 5×5×5

    Main article:Professor's Cube
    La solution est essentiellement la même que pour le cube 3×3×3, à l'exception du fait que desalgorithmes supplémentaires (et relativement simples) sont nécessaires pour résoudre les pièces centrales et les arêtes.
    6×6×6 Cube PuzzleNom commercial: V-CUBE

    Forme géométrique:Cube

    Configuration des pièces: 2×2×2 to 11×11×11

    Main articles:V-Cube 6,V-Cube 7, andV-Cube 8
    Panagiotis Verdes détient un brevet pour une méthode qui serait capable de fabriquer des cubes allant jusqu'à 11×11×11. Il dispose de produits entièrement fonctionnels pour les cubes de 2×2×2 à 9×9×9.
    3×3×3×3 Hypercube Puzzle4-Dimensional puzzle

    Forme géométrique:Tesseract

    Configuration des pièces: 3×3×3×3

    Il s'agit de l'analogue en 4 dimensions d'un cube et, par conséquent, il ne peut pas être réellement construit. Cependant, il peut être dessiné ou représenté par un ordinateur. Il est beaucoup plus difficile à résoudre que le cube standard, bien que les techniques de résolution suivent des principes très similaires. Il existe de nombreuses autres tailles de puzzles parallélépipèdes virtuels allant du trivial 3×3 au 7×7×7×7×7 en 5 dimensions, qui n'a été résolu que deux fois jusqu'à présent.[1]Cependant, le 6×6×6×6×6 n'a été résolu qu'une seule fois, car saparité ne reste pas constante (en raison de l'absence de pièces centrales appropriées).
    1. Slim Tower or Tower Cube[2][3]
    2. Rubik's Tower[4][5]
    3. 3×4×4[6]
    4. 2×2×6[7]
    Non-uniform cuboids

    Forme géométrique:Cuboid

    Configuration des pièces (1st): 2×2×3

    Configuration des pièces (2nd): 2×3×3

    Configuration des pièces (3rd): 3×4×4

    Configuration des pièces (4th): 2×2×6

    La plupart des puzzles de cette catégorie sont généralement fabriqués sur mesure en petites quantités. La plupart d'entre eux commencent avec le mécanisme interne d'un puzzle standard. Des pièces supplémentaires (cubie) sont ensuite ajoutées, soit modifiées à partir de puzzles standard, soit fabriquées de zéro. Les quatre montrés ici ne sont qu'un échantillon parmi un très grand nombre d'exemples. Ceux avec deux ou trois nombres différents de rangées paires ou impaires ont également la capacité de changer de forme. Le Tower Cube a été fabriqué par Chronos et distribué par la sociétéjaponaise Gentosha Education ; c'est le troisième « Okamoto Cube » (inventé parKatsuhiko Okamoto). Il ne change pas de forme, et les couleurs du dessus et du dessous ne se mélangent pas avec les couleurs sur les côtés.
    Siamese cubes

    Forme géométrique: Fused cubes

    Configuration des pièces: two 3×3×3 fused 1×1×3

    Les cubes siamois sont des puzzles composés de deux ou plusieurs cubes fusionnés de manière à ce que certaines pièces soient communes aux deux cubes. L'image ci-dessus montre deux cubes 3×3×3 qui ont été fusionnés. Le plus grand exemple connu à ce jour se trouve au Puzzle Museum[8] et consiste en trois cubes 5×5×5 fusionnés de manière siamoise, avec une fusion 2×2×5 à deux endroits. Il existe également une version appelée le "fused cube", qui est un assemblage de « 2 cubes 3×3×3 fusionnés avec un 2×2×2 ». Le premier cube siamois a été créé parTony Fisher en 1981.[9] Cet exemple est considéré comme le premier « puzzle rotatif modifié fait main ».[9]
    Void cubeNom commercial: Void cube

    Forme géométrique:Menger Sponge with 1 iteration

    Configuration des pièces: 3x3x3-7.

    Main article:Void Cube
    La solution de ce cube est similaire à celle d'un cube 3×3×3 classique, à l'exception du fait que des combinaisons de parité impaire sont possibles avec ce puzzle. Ce cube utilise un mécanisme spécial en raison de l'absence d'un noyau central.
    Crazy cube type ICrazy cube type IINom commercial:

    Crazy cube type I

    Crazy cube type II

    Forme géométrique:Cube

    Configuration des pièces: 4x4x4.

    Les cercles internes d'un Crazy Cube 4x4x4 se déplacent avec la deuxième couche de chaque face. Sur un Crazy Cube de type I, ils sont connectés de manière interne de telle sorte qu'ils se déplacent essentiellement comme 8 pièces distinctes, et non 24. Pour résoudre ce cube, il faut le considérer comme un 2x2x2 (cube de poche) coincé à l'intérieur d'un 4x4x4 (Rubik's Revenge). Résolvez d'abord le 2x2x2, puis résolvez le 4x4x4 en effectuant uniquement des échanges de pièces. La résolution du type II est beaucoup plus difficile.
    Nom commercial: Over The Top


    Forme géométrique:Cube

    Configuration des pièces: 17x17x17

    Un cube expérimental fabriqué par impression 3D en plastique, inventé parOskar van Deventer. Les coins sont beaucoup plus grands en proportion, et les pièces d'arête correspondent à cette dimension plus grande ; elles sont étroites et ne ressemblent pas à des cubes. Le reste des petites pièces du cube (appelées « cubelets ») est organisé en réseaux de 15x15 sur chaque face du cube entier ; comme prévu, chaque cubelet mesure seulement 4 mm de côté. Le mécanisme original repose sur un noyau 3x3x3, avec de fines « pales » pour les arêtes centrales ; le reste des cubelets comble les espaces. Le noyau possède une sphère en son centre. Depuis 2023, il est produit en série par les entreprises chinoises YuXin et Shengshou.[10]

    Pattern variations

    [edit]

    There are many puzzles which are mechanically identical to the regular cuboids listed above but have variations in the pattern and colour of design. Some of these are custom made in very small numbers, sometimes for promotional events. The ones listed in the table below are included because the pattern in some way affects the difficulty of the solution or is notable in some other way.

    PictureDataComments
    3×3×3 calendar cubeCommercial name: Calendar Cube

    Geometric shape:Cube

    Piece configuration: 3×3×3

    Mechanically identical to the standard 3×3×3 cube, but with specially printed stickers for displaying the date. Much easier to solve since five of the six faces are ignored. Ideal produced a commercial version during the initial cube craze. Sticker sets are also available for converting a normal cube into a calendar.
    3×3×3 Cube puzzle with numbersCommercial Name: Magic Cube

    Geometric shape:Cube

    Piece configuration: 3×3×3

    Mechanically identical to the standard 3×3×3 cube. However, the numbers on the centre pieces force the solver to become aware that each one can be in one of four orientations, thus hugely increasing the total number of combinations. The number of combinations of centre face orientations is 46. However, odd combinations (overall odd number of rotations) of the centre faces cannot be achieved with legal operations. The increase is therefore x211 over theoriginal making the total approximately 1024 combinations. This adds to the difficulty of the puzzle but not astronomically; only one or two additionalalgorithms are required to affect a solution. Note that the puzzle can be treated as a numbermagic square puzzle on each of the six faces with themagic constant being 15 in this case.
    Sudoku Cube
    [edit]

    TheSudoku Cube orSudokube is a variation on aRubik's Cube in which the aim is to solve one or moreSudoku puzzles on the sides or rows. The toy was originally created in 2006 by Jay Horowitz inSebring,Ohio.[11] It was subsequently produced in China, marketed and sold internationally.

    A scrambled colorless Sudoku Cube
    Production
    [edit]

    The Sudoku Cube was invented by veteran toy maker Jay Horowitz, a puzzle inventor who primarily reproduced older toys for the collectibles market.[12][13] Horowitz first encountered the original Sudoku puzzle when a woman sitting next to him on a plane ride explained it to him.[12] After being introduced to the puzzle, Horowitz wanted to introduce the puzzle to the games business, and had the idea of combining it with the Rubik's cube.[13] Horowitz already had access to molds for the Rubik's Cube, as he owned theIdeal Toy Company which owned molds.[12][13] Horowitz worked for a month until he figured out how to combine the two puzzles together, and then when he figured it out, he "did not sleep for three days" while he worked out how to best arrange the numbers to create 18 unique Sudoku puzzles within the cube.[13] Horowitz then patented the numerical design that he created.[13][14] Mass production was completed in China by American Classic Toy Inc, a company belonging to Horowitz.[12][13] The product was sold in the United States in retailers such asBarnes & Noble andFAO Schwarz and sold for $9.87 each.[13] The price was chosen specifically because each number only appears once.[13]

    Marketing
    [edit]

    Horowitz promoted his new product in at toy fairs such as the 2007American International Toy Fair andHong Kong Toys and Games Fair.[12][13] Adrienne Citrin, the spokeswoman for theToy Industry Association, mentioned that Sudoku fans who felt like they had mastered the original paper version of the puzzle were interested in the new product.[13] The product was originally launched in the US and then sold internationally, exporting to Spain, France, South Africa and the United Kingdom.[13] Shortly after release, there were several imitator products sold onAmazon under the name "Sudokube".[12]

    Irregular cuboids

    [edit]

    An irregular cuboid, in the context of this article, is a cuboid puzzle where not all the pieces are the same size in edge length. This category of puzzle is often made by taking a larger regular cuboid puzzle and fusing together some of the pieces to make larger pieces. In the formulae for piece configuration, the configuration of the fused pieces is given in brackets. Thus, (as a simple regular cuboid example) a 2(2,2)x2(2,2)x2(2,2) is a 2×2×2 puzzle, but it was made by fusing a 4×4×4 puzzle. Puzzles which are constructed in this way are often called "bandaged" cubes. However, there are many irregular cuboids that have not (and often could not) be made by bandaging.

    PictureDataComments
    Skewb PuzzleCommercial name: Skewb

    Geometric shape:Cube

    Piece configuration: 3x3x3

    Main article:Skewb
    Similar to the original Rubik's Cube, the Skewb differs in that its four axes of rotation pass through the corners of the cube rather than the centres of the faces. As a result, it is a deep-cut puzzle in which each twist scrambles all six faces.
    Bandaged Cubes

    Geometric shape:Cube

    Piece configuration: various

    This is a simple example of one a large number of bandaged cube types that have been made.

    A bandaged cube is a cube where some of the pieces are stuck together.

    Square One PuzzleCommercial name: Square One

    Geometric shape:Cube

    Main article:Square One (puzzle)
    A variation on the original Rubik's Cube where it can be turned in such a manner as to distort the cubical shape of the puzzle. The Square One consists of three layers. The upper and lower layers contain kite and triangular pieces. The middle layer contains two trapezoid pieces, which together may form an irregular hexagon or a square. Square One is an example of another very large class of puzzle — cuboid puzzles which havecubies that are not themselves all cuboid.
    Golden CubeCommercial name:Tony Fisher's Golden Cube

    Geometric shape:Cube

    First rotational puzzle created that has just one colour,[9] requiring the solver to restore the puzzle to its original cube form without colour aids.
    Commercial name: Lan Lan Rex Cube (Flower Box)

    Geometric shape:Cube

    Commercial name: Mixup Cube

    Geometric shape:Cube

    Invented by Oskar van Deventer, it looks like a disproportional Rubik's Cube, but it allows the middle layer to turn 45 degrees and swap center pieces with edge pieces.

    Other polyhedra

    [edit]
    PictureDataComments
    3×3×3 tetrahedron puzzleCommercial Name: Pyraminx

    Geometric shape:Tetrahedron

    Piece configuration: 3×3×3

    Main article:Pyraminx
    Tetrahedral-shaped puzzle with axes on the corners and trivial tips. It was invented in 1970 byUwe Mèffert.
    2×2×2 tetrahedron puzzleCommercial Name: Pyramorphix

    Geometric shape:Tetrahedron

    Piece configuration: 2×2×2

    Main article:Pyramorphix
    Edge turning tetrahedron shaped puzzle with a 2×2×2 cube mechanism.
    3×3×3 dodecahedron puzzleCommercial Name: Megaminx

    Geometric shape:Dodecahedron

    Piece configuration: 3×3×3

    Main article:Megaminx
    12-sided polyhedron puzzle similar to Rubik's Cube in operation and solution.
    GigaminxCommercial Name: Gigaminx, Teraminx, Petaminx

    Geometric shape:Dodecahedron

    Piece configuration: gigaminx is 5x5x5, teraminx is 7x7x7, petaminx is 9x9x9

    Megaminx variants with multiple layers per face. The Gigaminx has 2 layers per face, for a total of 5 layers per edge; the Teraminx has 3 layers per face, 7 layers per edge; and the Petaminx has 4 layers per face, 9 layers per edge.
    3×3×3 Great Dodecahedron puzzleCommercial Name: Impossiball

    Geometric shape: Roundedicosahedron

    Piece configuration: 2x2x2

    Main article:Impossiball
    Roundedicosahedron puzzle similar to Pocket Cube in operation and solution.
    Rounded icosahedron puzzleCommercial Name: Alexander's Star

    Geometric shape:Great dodecahedron

    Piece configuration: 3x3x3

    Main article:Alexander's Star
    12-sidedNonconvex uniform polyhedron puzzle similar to Rubik's Cube in operation and solution.
    Brain Twist Stellated positionCommercial Name: BrainTwist

    Geometric shape:Tetrahedron

    Piece configuration: 2x2x2

    Main article:BrainTwist
    The BrainTwist is a unique tetrahedral puzzle with an ability to "flip", showing only half of the puzzle at a time.
    12 Coloured Dogic puzzleCommercial Name: Dogic

    Geometric shape:Icosahedron

    Piece configuration: 4x4x4

    Main article:Dogic
    The Dogic is an icosahedron cut into 60 triangular pieces around its 12 tips and 20 face centers.
    Skewb Diamond puzzleCommercial Name: Skewb Diamond

    Geometric shape:Octahedron

    Piece configuration: 3x3x3

    Main article:Skewb Diamond
    An octahedral variation on the Skewb, it is a deep-cut puzzle very similar to the Skewb and is a dual-polyhedron transformation.
    Skewb UltimateCommercial Name: Skewb Ultimate

    Geometric shape:Dodecahedron

    Piece configuration: 3x3x3

    Main article:Skewb Ultimate
    While appearing more difficult than the Skewb Diamond, it is functionally very similar to the Skewb and Skewb Diamond. The puzzle is cut in a different manner but the same solutions can be used to solve it by identifying what pieces are equivalent. Because faces of the Skewb Diamond correspond to corners of the Skewb Ultimate, an additional constraint on the orientation of these pieces appears. Any Skewb Diamond solution thus requires a few additions in order to solve the Skewb Ultimate.
    Deep-cut dodecahedral puzzleCommercial Name: Pyraminx Crystal

    Geometric shape:Dodecahedron

    Piece configuration: 3x3x3

    Main article:Pyraminx Crystal
    A dodecahedron cut into 20 corner pieces and 30 edge pieces. It is similar to the Megaminx, but is deeper cut, giving edges that behave differently from the Megaminx's edges when twisted.
    Commercial Name: Magic 120-cell

    Geometric shape:120-cell

    Piece configuration: 3×3×3×3

    Virtual 4-dimensional puzzle, the 4-D analogue of the Megaminx.

    Non-Rubik style three-dimensional

    [edit]
    PictureDataComments
    Holey burr puzzleName: holey burr puzzles with level > 1

    Piece configuration: 6 interlocking sticks

    A holey burr puzzle is characterised by internal holes, which usually allow for sliding movements of individual pieces or groups of pieces. The level of a holey burr puzzle specifies how many sliding movements are necessary to assemble or disassemble the puzzle.
    Minus CubeCommercial Name: Minus Cube

    Piece configuration: 2×2×2-1 sliding cubes

    Main article:Minus Cube
    The Minus Cube is a 3D mechanical variant of then-puzzle. It consists of a bonded transparent plastic box containing seven small cubes. There is an empty space the size of one small cube inside the box and the small cubes are moveable inside the box by tilting the box causing a cube to fall into the space.
    Rubik's ClockCommercial Name: Rubik's Clock

    Piece configuration: 3×3×2 12-position dials

    Main article:Rubik's Clock
    Rubik's Clock is a two-sided puzzle, each side presenting nine clocks to the puzzler. There are four wheels, one at each corner of the puzzle, each allowing the corresponding corner clock to be rotated directly. There are also four pins next to the center clock, which control the rotation of the four adjacent clock faces.
    Rubik's Snake as a catCommercial Name: Rubik's Snake

    Piece configuration: 1x1x24

    Main article:Rubik's Snake
    Some would not count this as a combinational puzzle though it bears the Rubik name. Also known as Rubik's Twist. There is no one solution to this puzzle but multiple different shapes can be made.[15]
    Rubik's SnskeCommercial Name: Snake Cube

    Piece configuration: 1x1x27 or 1x1x64

    Main article:Snake cube
    The cubelets are connected by an elastic band running through them. They can rotate freely. The aim of the puzzle is to arrange the chain in such a way that they will form 3 x 3 x 3 or 4 x 4 x 4 cube.

    Two-dimensional

    [edit]
    PictureDataComments
    7×7 sliding puzzleSliding piece puzzle

    Piece configuration: 7×7

    Main article:Sliding puzzle
    These ubiquitous puzzles come in many sizes and designs. The traditional design is with numbers and the solution forms amagic square. There have been many different designs, the example shown here uses graphic symbols instead of numbers. The solution requires that there are no repeated symbols in any row, column or diagonal. The picture shows the puzzle unsolved.
    Sliding piece puzzle with picture

    Piece configuration: 7×7

    Main article:Sliding puzzle
    Mechanically, no different from the puzzle above. However, the picture on the pieces gives it something of the nature of a jigsaw puzzle, in addition to being a combination puzzle. Note that the picture consists of a multitude of polyhedra which have been made into Rubik puzzles.
    15 puzzleFifteen puzzle

    Piece configuration: 4×4-1

    Main article:Fifteen puzzle
    The original sliding piece puzzle.
    Rubik's MagicRubik's Magic
    Main article:Rubik's Magic
    Not entirely 2D. Involves flipping parts back onto itself.
    Master MagicRubik's Master MagicThe five ringed version of the Rubik's Magic
    3×3 virtual puzzleCommercial name:2D Magic Cube

    Geometric shape:Square

    Piece configuration: 3×3

    Another virtual puzzle in the Rubik series, but this time a very simple one.
    KlotskiKlotski

    Piece configuration: 4×5-2 with some fused pieces

    Main article:Klotski
    A traditional sliding piece puzzle. There are now endless variations of this original puzzle implemented as computer games.
    Geranium

    Piece configuration: 5 intersecting circular rotational groups of oddly shaped pieces

    A rotating piece puzzle. Some rank its difficulty very high compared to complex 3D puzzles.[16] There are other versions of this puzzle type including "Mini", "Pocket" and "Super", which have 2, 3 and 10 intersecting circles. There is an "Upgrade" mod which splits some of the large pieces into smaller ones. This puzzle's current production status is unknown.

    Geared puzzles

    [edit]
    PictureDataComments
    3x3 Gear cube, solvedGear CubeThis twisty puzzle was invented byOskar van Deventer. Edge pieces are gears that turn when faces turn and force opposite faces to turn together. Despite its appearance it is considered easier than the Rubik's Cube.

    See also

    [edit]

    References

    [edit]
    1. ^"MagicCube5D Hall of Insanity". Archived fromthe original on 2016-03-03. Retrieved2012-02-16.
    2. ^"2×2×3 (aka: Slim Tower)".TwistyPuzzles.com. Archived fromthe original on 2016-03-03. Retrieved2009-06-12.
    3. ^"Tower Cube" (in Japanese). Gentosha Education. Archived fromthe original on 2016-03-04. Retrieved2012-05-24.
    4. ^"2×3×3".TwistyPuzzles.com. Archived fromthe original on 2016-03-03. Retrieved2009-06-12.
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