| http://www.w3.org/ns/prov#value | - A puzzle in the shape of a cube whose exterior surface is defined by twenty-four pieces, termed wedges, each including two exposed right isosceles triangular faces disposed at a right angle to each other to define a portion of an edge of the cube extending from a respective corner to the midpoint of said edge; means maintaining said wedges in an assembled array whereby they may be permuted by rota
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