| http://www.w3.org/ns/prov#value | - The method of claim 21, wherein the puzzle is selected from the group consisting of a cube-shaped puzzle, a puzzle based on or including a Rubik's Cube???, a puzzle including a logical toy, a puzzle including an arrangement of a plurality of shape-related pieces, a puzzle including an arrangement of a plurality of logically-related pieces, and a puzzle including an arrangement of visual informatio
|
