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 (11)
(U) first, then:
R U' R2 F R F' R U' R'
My choice
9 HTM · 9 STM · 10 QTM
3-gen
rotationless
<U,R,F>
Do U first (AUF) on the case as drawn. · Cubemuch
R' U2 R U x U R' U' x' U R
9 HTM · 9 STM · 10 QTM
2-gen
rotation
oh
<U,R>
Cubemuch
(U) first, then:
R U' x R2 U R U' x' R U' R'
9 HTM · 9 STM · 10 QTM
2-gen
rotation
oh
<U,R>
Do U first (AUF) on the case as drawn. · Cubemuch
(U') first, then:
R U' R' U R U' R' y' R' U' R
10 HTM · 10 STM · 10 QTM
2-gen
rotation
oh
<U,R>
Do U' first (AUF) on the case as drawn. · Cubemuch
R U' R' y' U R' U' R U' R' U R
11 HTM · 11 STM · 11 QTM
2-gen
rotation
oh
<U,R>
Cubemuch
R U' R' y' U' R' U R U2 R' U' R
11 HTM · 11 STM · 12 QTM
2-gen
rotation
oh
<U,R>
Cubemuch
(U2) first, then:
R U R' y' U2 R' U R U' R' U R
11 HTM · 11 STM · 12 QTM
2-gen
rotation
oh
<U,R>
Do U2 first (AUF) on the case as drawn. · Cubemuch
(U) first, then:
R U R' y2 U' x' U' R U' R' U2
9 HTM · 9 STM · 10 QTM
2-gen
rotation
oh
<U,R>
Do U first (AUF) on the case as drawn. · Cubemuch
R y R' U' R2 U' R2 U2 R y' R'
9 HTM · 9 STM · 12 QTM
2-gen
rotation
oh
<U,R>
Cubemuch
(U') first, then:
y L' U L y U L U L' y' L' U' L
10 HTM · 10 STM · 10 QTM
2-gen
rotation
<U,L>
Do U' first (AUF) on the case as drawn. · Cubemuch
(U) first, then:
x U' L U L' y' L2 y' U2 L' U2 L
9 HTM · 9 STM · 12 QTM
2-gen
rotation
<U,L>
Do U first (AUF) on the case as drawn. · 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' x U R U' x' U' R' U2 R. Every algorithm above was run by our logic engine from that state and reaches "f2l-eo".