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2

Looks like you have a single flipped edge piece. This renders your cube unsolvable: If you ignore everything except the corners, centers, and edge middle pieces, you get a 3x3x3 cube, and on that cube, a single piece flip is definitely unsolvable. Here's how to get from a solved cube to a situation that is one edge piece flip away from your cube's pattern. ...


5

If the three edge pieces you want to rotate are on the top layer at front, left and right, then the move $F^2UM^{-1}U^2MUF^2$ will permute them cyclically where $F$ means rotating the front face $90^{\circ}$ clockwise (so $F^2$ means rotating it $180^{\circ}$), $U$ means rotating the top (upper) face $90^{\circ}$ clockwise, and $M$ means rotating the ...


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