| http://www.w3.org/ns/prov#value | - For example, a cuboid is a puzzle based on the Rubik's Cube, but with different functional dimensions, such as 2??2??4, 2??3??4, and 3??3??5.[73] Many cuboids are based on 4??4??4 or 5??5??5 mechanisms, via building plastic extensions or by directly modifying the mechanism itself.
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