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The V-Cube 6 is a 6×6×6 version of Rubik's Cube. Unlike the original puzzle (but like the 4×4×4 cube), it has no fixed facets: the center facets (16 per face) are free to move to different positions. It was invented by Panagiotis Verdes and is produced by the Greek company Verdes Innovations SA. Methods for solving the 3×3×3 cube work for the edges and corners of the 6×6×6 cube, as long as one has correctly identified the relative positions of the colors — since the center facets can no longer be used for identification. == Mechanics == The puzzle consists of 152 pieces ("cubies") on the surface. There are also 60 movable pieces entirely hidden within the interior of the cube, as well as six fixed pieces attached to the central "spider" frame. The V-Cube 7 uses essentially the same mechanism, except that on the latter these hidden pieces (corresponding to the center rows) are made visible.〔 (United States Patent 20070057455 )〕 There are 96 center pieces which show one color each, 48 edge pieces which show two colors each, and eight corner pieces which show three colors. Each piece (or quartet of edge pieces) shows a unique color combination, but not all combinations are present (for example, there is no edge piece with both red and orange sides, since red and orange are on opposite sides of the solved Cube). The location of these cubes relative to one another can be altered by twisting the layers of the Cube 90°, 180° or 270°, but the location of the colored sides relative to one another in the completed state of the puzzle cannot be altered: it is fixed by the distribution of color combinations on edge and corner pieces. Currently, the V-Cube 6 is produced with white plastic as a base, with red opposite orange, blue opposite green, and yellow opposite black. One black center piece is branded with the letter V. Verdes also sells a version with black plastic and a white face, with the other colors remaining the same. Unlike the rounded V-Cube 7, the V-Cube 6 has flat faces. However, the outermost pieces are slightly wider than those in the center. The center four rows are approximately wide, whereas the outer two are approximately wide. This subtle difference allows the use of a thicker stalk to hold the corner pieces to the internal mechanism, thus making the puzzle more durable. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「V-Cube 6」の詳細全文を読む スポンサード リンク
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