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 Sudoku Dino Cube Above:Solved Click a thumbnail to see its larger version and description. A sudoku variant of the classic Dino cube with a surprising constraint. Inventor: Mark Lodge Mechanism: Dino Cube Patents: Unknown Producer: Custom Year: 2021 Original Price: \$0.00 USD Current Price: No Data This is an additional colour scheme for the Dino cube that can be achieved through piece-swapping of two donating Dino cubes. The solution requires that all four colours appear once on each face.The classic Dino cube puzzle came in three colour schemes: 1. Six colours with each edge piece different and carrying two colours, with two solutions one with red/white/blue clockwise around a corner, the other "inside out" with a reversed order.2. Two colours with two pieces with dual colour and the rest either in one colour or the other colour and a single solution.3. Four colours with three edge pieces of each colour on both sides and two solutions - single colour around four corners or a "harlequin" pattern where each face shows all four colours in a different permutation.This puzzle is a fourth scheme, in four colours but each piece carrying one of the twelve pair-combinations of colours and these are laid out so each face has a different permutation of the four colours, similar to the "harlequin" solution of the standard four-colour Dino and following the principle of other "sudoku" cube puzzles.This colour scheme is disorienting and surprising can lead to a situation where the puzzle appears solved except for two swapped pieces. The same problem occurs on the related 'Brain Twist' puzzle and indicates that the puzzle is "inside out" and must be solved from scratch. The geometry of the puzzle means that while there are two of each colour pair their 'cis' and 'trans' orientation cannot be changed.As such, this is a small level of complexity higher than the 6 colour Dino Cube and forms part of the inventor's exploration of puzzles that gradually increase the difficulty for novices. Links Contributors Thank you to the following people for their assistance in helping collect the information on this page: Mark Lodge. Collections This puzzle can be found in collections of these members:Markube: Mark's Kubesfbgrac: Bini's CollectionVictor Farles: Farles collectionFound a mistake or something missing? Edit it yourself or contact the moderator. join »login » Community Members: 4962 Most recent: Jasonputney Members online: DrPluck, Kapusta and 0 hidden, as well as 7 guests and 1 web crawlers. Topics/posts: 35542/401568 Some recent posts: Re: Help! Chimara Assymetric Parity. by V?n Công Tùng 45 minutes ago. Re: The most difficult puzzles by alacoume 51 minutes ago. Re: SengSo Full Function Crazy Tetrahedron (simple version) Stickerless by alacoume 53 minutes ago. Re: Help! Chimara Assymetric Parity. by OneEyedOwl 54 minutes ago. Re: The most difficult puzzles by OneEyedOwl 56 minutes ago. Thanks for spending your time with us Frank and Darren. You are missed.