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A Square-1 with two circles, one on the top face and the other on the bottom face. These two faces have different movements.
Based on the original Square-1, there are two more cutting circles on this puzzle, one on the top face and the other on the bottom face. The white face is "0", meaning the inner circle does not rotate with the outer layer. The yellow face is "1" meaning the inner circle rotates with the remainder of the layer. The 0/1-scheme is known from the Crazy 3x3x3.
It uses a regular Square-1 mechanism, adding a lock between each pair of the inner pieces and out pieces, which is controlled by rails to lock or unlock the pieces.
Edge length: 57 mm
Weight: 110 grams
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