ELS F4
ZBLS
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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 (8)
(U) first, then:
Rw U' R' U R U Rw'
My choice
7 HTM · 7 STM · 7 QTM
2-gen
rotationless
oh
<U,R>
Do U first (AUF) on the case as drawn. · Cubemuch
F R' F' R U2 R U R'
8 HTM · 8 STM · 9 QTM
3-gen
rotationless
<U,R,F>
Cubemuch
x U R' U' x' R U2 R U R'
8 HTM · 8 STM · 9 QTM
2-gen
rotation
oh
<U,R>
Cubemuch
y' Rw U Rw' B Rw B U' Rw' B'
9 HTM · 9 STM · 9 QTM
3-gen
rotation
<U,R,B>
Cubemuch
(U) first, then:
L y2 B' L' B L B y2 L'
7 HTM · 7 STM · 7 QTM
2-gen
rotation
<L,B>
Do U first (AUF) on the case as drawn. · Cubemuch
R y R U2 R' y' R' U2 R U R'
9 HTM · 9 STM · 11 QTM
2-gen
rotation
oh
<U,R>
Cubemuch
(U) first, then:
L2 y2 B' L' B L y' B' L B'
8 HTM · 8 STM · 9 QTM
2-gen
rotation
<L,B>
Do U first (AUF) on the case as drawn. · Cubemuch
y L' y' L' U' L U L' U L y L
9 HTM · 9 STM · 9 QTM
2-gen
rotation
<U,L>
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' R' U2 R' F R F'. Every algorithm above was run by our logic engine from that state and reaches "f2l-eo".