Diagonal Corner Swap
PLL Y Perm
No headlights anywhere, with exactly one solved edge.
Algorithm
F R U' R' U' R U R' F' R U R' U' R' F R F'
Start hereSune-shaped trigger wrapped in F/F’. Its own inverse.
How to recognise it
- →Diagonal corner swap — check all four faces and find no headlights.
- →One edge solved. V perm looks similar but has none.