Let R, F, L, B, T, U mean rotate 90° clockwise the right, front, left, back, top, and under faces, respectively. Name the move or moves that will return the cube to standard position after making the move RF.
?
A. F-1R-1
B. R-1F-1
C. ?FR3
D. ?R2F2
E. ?FR2
Answer: A
Mathematics
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}
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