# How to Solve Rubik's Revenge by Jeffrey Adams

A quick consultant to fixing the four x four Rubik's Revenge puzzle.

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Additional info for How to Solve Rubik's Revenge

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You apply the same procedure as in step i to move this blue to another face adjacent to the Front face. You can then apply step i to move it to the Front (blue) face. "' Rotate the Right face to put the desired blue center-cube in the upper left-hand slot of the Right face. Apply R'(frT)R(frf to bring this blue center-cube toe Frontface, and rotate the Right face back to where it was. Move the whole cube to return the blue face to the Front. Go to step i. B. Remaining centers 2. Repeat step 1 up to four times to get each of the blue center-cubes onto the Front (blue) face oneby-one.

It is in the Left face. Rotate the Left face enough times to put it at UL(f or b), apply IF FBLU(,B'R' F')' to put it in the I or r slice, and rotate the Left face back to where it was (thus fixing the corners). Go to step b. UIL(f orb) b. One UR(f or b) edge is now in either the I or r slice. Rotate this slice to put this edge in the FD(I or r) position. Now repeat step a once to put the second UR(f or b) edge into the I or r slice. Go to step c. FD(Ioi c. Both UR(f or b) edges are in the I and/or r slices.

Places where move Y may be used are indicated by at and given as shortcuts in Section 6. Generally when the first of a pair of adjacent edges is placed, you may be sloppy and use Basic Move 4. However, when doing the second one you must be more careful and use move X. One last comment before getting down to business. Unlike on a 3 x 3 x 3 cube, it is impossible to flip edges in place. What happens is, if the FR(d) edge is in the correct (FR(d)) position, it is necessarily correctly oriented. But remember the FR(u) edge looks identical to the FR(d) edge - if it is put in the FR(d) position, it will necessarily be oriented wrong.