Last layer permutation
Gb Perm: Double adjacent swap (type b)
Headlights on front-right. Solve it with R' U' R U D' R2 U R' U R U' R U' R2 D — 15 moves on a harder case.
The algorithm
R' U' R U D' R2 U R' U R U' R U' R2 DStep through it
Watch the Gb Perm on a 3D cube
Move 1 of 150%
How to recognise it
- Headlights on front-right
- Solved block in back-left
- Mirror pattern to Ga
Alternative algorithms
Different finger tricks suit different grips. These solve the same case.
- R' U' R y R2 u R' U R U' R u' R2
- F' U' F R2 u R' U R U' R u' R2
Drill this case
The trainer opens on the Gb Perm and spaces the repetitions for you.
Practise the Gb Perm in the trainerNearby cases
Other cases you recognise the same way:
Looking for the whole set? Browse all PLL algorithms or read the PLL recognition guide.