AF2L 21

Advanced F2L
Trapped Edge
Find the pair's pieces: which of them sits in a wrong slot, and which way its cross-coloured sticker faces.
Your status
Recognition & spaced review

Algorithms (2)

Into the front-right slot (as drawn above)
U R F U F' R'
My choice
6 HTM · 6 STM · 6 QTM
3-gen
rotationless
<U,R,F>
SpeedCubeDB, 4 votes
Into the front-left slot: the same case turned to that slot, as drawn here
U F L U L' F'
6 HTM · 6 STM · 6 QTM
3-gen
rotationless
<U,F,L>
SpeedCubeDB, 5 votes

How this case is verified

The case is the source's setup (or, where it has none, another source algorithm reversed). Setup: R F U' F' R' U'. Every algorithm above was run by our logic engine from that state and reaches "f2l".