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The crazy version of the 3x3x3.
Installing circles into a already known puzzle's faces is nowadays as transforming it into a "Crazy"-Puzzle. This is the first application of this technique to a 3x3x3. The pieces within the circles never move with the outer pieces if twisted.
Despite this interesting principle the puzzle does not provide a new solving experience. It can be solved like any other 3x3x3 with visible orientation on the faces. This is because the circle-pieces adjacent to the edge behave like being connected to the (otherwise non-visible) face pieces of the 3x3x3. The circle-pieces adjacent to the corners behave like being connected to the edge-pieces behind them. The central pieces are extensions of the core.
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Thank you to the following people for their assistance in helping collect the information on this page: Andreas Nortmann, Lawrence Cuthbert, HarveyRS.
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