Last layer permutation
Gc Perm: Double adjacent swap (type c)
Headlights on back-left Solve it with R R U' R U' R U R' U R R D' U R U' R' D — 17 moves on a harder case.
The algorithm
R R U' R U' R U R' U R R D' U R U' R' DStep through it
Watch the Gc Perm on a 3D cube
Move 1 of 170%
How to recognise it
- Headlights on back-left
- Solved block in front-right
- Inverse of Ga
Alternative algorithms
Different finger tricks suit different grips. These solve the same case.
- R R u' R U' R U R' u R R y R U' R'
- R R F F R U U R U U R' F R U R' U' R' F R R
Drill this case
The trainer opens on the Gc Perm and spaces the repetitions for you.
Practise the Gc 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.