4 Look Last Layer

PCwizCube – March 23, 2013

Rubik’s Cube – 4 Look Last Layer (4LLL) You have learned how to solve the last layer of the Rubik’s cube in four steps: Orient Edges, Orient Corners, Permute Corners, Permute Edges. Since you only learned the bare minimum of algorithms required to do these steps, you may have to repeat algorithms a few times to complete each step. This guide will show you all the algorithms you need to know so that you can always complete each step in one algorithm. This method of solving the last layer is called 4 Look Last Layer (4LLL). It literally means being able to solve each of the four steps of the last layer after looking at it once, because you only need to perform one algorithm to solve each step. You should learn the algorithms of each step in the order they appear. The highlighted algorithms are the ones you already know for the minimum number of algorithms required to solve the last layer in four steps.

Step 1: Orient the Last Layer Edge Pieces There are 4 cases where the orientation of the edges can appear, one being the solved case. So you need to know 3 algorithms. (Actually technically only one, if you look at the comments below)

Case

Standard Algorithm

Other algorithms

F ( R U R’ U’ ) F’

Fw ( R U R’ U’ ) Fw’ This algorithm is almost exactly the same as the first one.

( F R U R’ U’ F’ ) ( Fw R U R’ U’ Fw’ ) This algorithm is a combination of the first and second algorithms. It’s just the first algorithm followed by the second algorithm.

F ( U R U’ R’ ) F’ F ( R U R’ U’ ) ( R U R’ U’ ) F’

PCwizCube – March 23, 2013

Step 2: Orient the Last Layer Corner Pieces There are 8 cases the orientation of the corners can appear, one being the solved case. So you need to know 7 algorithms.

Case

Standard Algorithm

Other algorithms

R U R’ U R U2 R’

L' U' L U' L' U2 L'

y’ R U2 R' U' R U' R'

This algorithm is the mirror of the first This algorithm is the inverse of the algorithm (the mirror of the left and right sides) first algorithm.

F (R U R’ U’) (R U R’ U’) (R U R’ U’) F’ This algorithm is very easy to remember, but the other two are faster.

Rw U R' U' Rw' F R F'

F' Rw U R' U' Rw' F R

R U2' R2' U' R2 U' R2' U2 R

R U2 R' U' R U R’ U’ R U’ R’ y R’ U’ R U’ R’ U R U’ R’ U2 R

PCwizCube – March 23, 2013

R2 D R' U2 R D' R' U2 R'

y2 R2 D' R U2 R' D R U2 R

Step 3: Permute the Last Layer Corner Pieces There are 3 cases the corner permutation can be in (one being the solved case) so you need to know 2 algorithms.

Case

Standard Algorithm Look around the side of the cube for two top layer corner pieces that have the same sticker (in the example it is orange). Rotate the cube until they are on the back face. Then perform this algorithm: R' F R' B2 R F' R' B2 R2 This case has no corners solved. Perform the following algorithm from any position:

F R U' R' U' R U R' F' R U R' U' R' F R F'

Other Algorithms

PCwizCube – March 23, 2013

Step 4: Permute the Last Layer Edge Pieces There are 5 cases the corner permutation can be in (one being the solved case) so you need to know 4 algorithms.

Case

Standard Algorithm

R2 U R U R' U' R' U' R' U R’

R U' R U R U R U' R' U' R2

M2 U M2 U2 M2 U M2

M2 U M2 U M’ U2 M2 U2 M’ U2

Other algorithms