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 (10)
R U' R' U2 F' U' F
My choice
7 HTM · 7 STM · 8 QTM
3-gen
rotationless
<U,R,F>
Cubemuch
B Rw U' Rw' B' U Rw U Rw'
9 HTM · 9 STM · 9 QTM
3-gen
rotationless
<U,R,B>
Cubemuch
R U' R' U2 y' R' U' R
7 HTM · 7 STM · 8 QTM
2-gen
rotation
oh
<U,R>
Cubemuch
R U' R' y' U2 R' U' R
7 HTM · 7 STM · 8 QTM
2-gen
rotation
oh
<U,R>
Cubemuch
B' R U' B U' B' U2 R' B
9 HTM · 9 STM · 10 QTM
3-gen
rotationless
<U,R,B>
Cubemuch
R y U' R U' R' y' U2 R'
7 HTM · 7 STM · 8 QTM
2-gen
rotation
oh
<U,R>
Cubemuch
(U') first, then:
x U R' U' R y R' U' R' U
8 HTM · 8 STM · 8 QTM
2-gen
rotation
oh
<U,R>
Do U' first (AUF) on the case as drawn. · Cubemuch
y2 Lw' U Lw B' Lw' U' B Lw B
9 HTM · 9 STM · 9 QTM
3-gen
rotation
<U,L,B>
Cubemuch
y L' y' U2 L' U' L y U' L
7 HTM · 7 STM · 8 QTM
2-gen
rotation
<U,L>
Cubemuch
(U) first, then:
y' B Rw B Rw' z2 B' Rw' B' Rw
8 HTM · 8 STM · 8 QTM
2-gen
rotation
<R,B>
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: Rw U' Rw' U' B Rw U Rw' B'. Every algorithm above was run by our logic engine from that state and reaches "f2l-eo".