Ra-Perm: Headlights on the left with a 2-block on the front beside them; Rb's block is on the back.

Ra-Perm

Headlights on the left with a 2-block on the front beside them; Rb's block is on the back.

PLL · Adjacent corner swapprobability 4/18

Algorithm

R U' R' U' R U R D R' U' R D' R' U2 R'

Ra-Perm case diagram — The replay starts at the case and solves it — step through it, or drag to rotate.

2 alternate algorithms

R U R' F' R U2 R' U2 R' F R U R U2 R'
y' L U2 L' U2 L F' L' U' L U L F L2

Setup scrambles

R L U2 R L' U' R2 L2 B2 U L2 D' R2 F2 B2 D R2 U2
F B U2 F B U R2 U' L2 U F2 U' L2 D B2 D' F2 B2
B F U2 B F U R2 U' L2 U F2 U' L2 D B2 D' B2 F2
L R U2 L R' D' L2 F2 U' L2 U R2 U' B2 R2 F2 L2 U2

Each scramble produces this case from a solved cube (hold yellow up).