ELS F4
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Find the pair's shape as for F2L, then count the misoriented last-layer edges (a top edge whose top facet does not show the top colour).
Your status
Algorithms (14)
Rw U R' U' M R U' R'
My choice
9 HTM · 8 STM · 9 QTM
3-gen
rotationless
oh
<U,R,M>
Cubemuch
Rw U R' U' R2 Rw' U' R'
8 HTM · 8 STM · 9 QTM
2-gen
rotationless
oh
<U,R>
Cubemuch
L F R' F' L' R2 U' R'
8 HTM · 8 STM · 9 QTM
rotationless
<U,R,F,L>
Cubemuch
(U') first, then:
R' F R U2 Rw U2 Rw' U2 F'
9 HTM · 9 STM · 12 QTM
3-gen
rotationless
<U,R,F>
Do U' first (AUF) on the case as drawn. · Cubemuch
F R' F' R U' R U R' U R U' R'
12 HTM · 12 STM · 12 QTM
3-gen
rotationless
<U,R,F>
Cubemuch
y' R B' R' B U' B U B' U B U' B'
12 HTM · 12 STM · 12 QTM
3-gen
rotation
<U,R,B>
Cubemuch
R y U R U' R' U' R U' R' y' R'
10 HTM · 10 STM · 10 QTM
2-gen
rotation
oh
<U,R>
Cubemuch
R y U' R U' R' y' R' U R U R'
10 HTM · 10 STM · 10 QTM
2-gen
rotation
oh
<U,R>
Cubemuch
R y R U2 R' y' U R' U R U R'
10 HTM · 10 STM · 11 QTM
2-gen
rotation
oh
<U,R>
Cubemuch
y2 B L' B' L U' L U L' U L U' L'
12 HTM · 12 STM · 12 QTM
3-gen
rotation
<U,L,B>
Cubemuch
(U') first, then:
Lw' U Lw y2 U2 Lw U2 Lw' y U2 Lw'
9 HTM · 9 STM · 12 QTM
2-gen
rotation
<U,L>
Do U' first (AUF) on the case as drawn. · Cubemuch
y L F' L' F U' F U F' U F U' F'
12 HTM · 12 STM · 12 QTM
3-gen
rotation
<U,F,L>
Cubemuch
y2 B L' B' x L B' L B L' B L B' L'
12 HTM · 12 STM · 12 QTM
2-gen
rotation
<L,B>
Cubemuch
y2 Rw B Rw' y2 B' y' B Rw B Rw' B' Rw
10 HTM · 10 STM · 10 QTM
2-gen
rotation
<R,B>
Cubemuch
How this case is verified
The case is the source's setup (or, where it has none, another source algorithm reversed). Setup: R U Rw R2 U R U' Rw'. Every algorithm above was run by our logic engine from that state and reaches "f2l-eo".