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Other N-Sided: Fourteen
Professor CuboctahedronA 5x5x5 truncated into a cuboctahedron.
Professor Cuboctahedron WindmillA Professor Windmill truncated into the shape of cuboctahedron which is an archimedean solid.
Professor TruncatedA Rubiks 5x5x5 truncated on all eight corners. The truncation stopped halfway to a cuboctahedron.

Pseudo RediminxA face-turning bi-augmented hexagonal antiprism. Twelve sides, two of them hexagonal and 24 axes.
Queen Mary's JewelThe first puzzle based on the tetrakis hexahedron, a jumbling only puzzle.
RACORex Axis CubeOctahedron. An axised Rex Cube truncated into a cuboctahedron.

Rainbow CubeA beautiful (but simple) puzzle closely related to the Dino Cube!
Rainbow Cube - 14 ColourVersion of the Rainbow Cube with fourteen colours.
Rainbow Plus CubeA Rainbow Cube with additional 2x2x2 turns.

Rainbow slideThe Moving Hole cousin of the Rainbow Cube.
Raptor JewelThe Rhombic Raptor with two corners flattened.
Resistance PuzzleA sticker variant of the "Hex Skewb" produced as a merchandising article for the rock band MUSE.

Rexoctahedron�A cuboctahedron that is face turning on both sets of faces, in this case with cuts resembling the 3x3x3 and the Rex Cube.
Rhombi GemA face turning rhombic dodecahedron with only with jumbling turns.
Slant 2x2x3A 2x2x3 truncated on eight edges.


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