Hold the cube like this. If you end up with exactly three corners correctly oriented, your cube is in an unsolvable state. Part 6: Last Layer Permutation You're almost done! Now all you have to . XNXN Cube Algorithms – How to Solve. XNXNXN Cube Algorithms PDF xnxn Cube Algorithms – Method. Solving the Rubik’s Cube is genuinely fun and not too hard! However, there are some . the n n nRubik’s Cube, as well as the n n 1 variant, has a \God’s Number (diameter of the con guration space) of 2(n=logn).