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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 is no new solgin 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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