← PLL
Rb
Recognition
Headlights on the left; an adjacent edge pair swaps, opposite handedness from Ra.
Algorithm
R' U2 R U2 R' F R U R' U' R' F' R2
Headlights on the left; an adjacent edge pair swaps, opposite handedness from Ra.
R' U2 R U2 R' F R U R' U' R' F' R2