F2L 37
The algorithm, how to recognise it and how to practise it without cheating.
Probability1/150
Moves9
TypeBoth in the slot
Inverse and mirror—
Recommended algorithm
R U' R U2 F R2 F' U2 R29 moves
Alternatives
R2 U2 F R2 F' U2 R' U R'9 movesR F R' F' U2 R U R U' R210 movesR2 U R' U' R' U2 F R F' R'10 moves
How to recognise it
Both pieces are in the slot: the corner is solved but the edge is flipped.
Practise 37 now
Random-state scrambles, a timer and spaced review. Free, on the web and on your phone.