ELS E4
ZBLS
edge-slot
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 (9)
(U2) first, then:
F' U' F U' R U R'
My choice
7 HTM · 7 STM · 7 QTM
3-gen
rotationless
<U,R,F>
Do U2 first (AUF) on the case as drawn. · Cubemuch
y M' U' L' U M U L
9 HTM · 7 STM · 9 QTM
3-gen
rotation
<U,L,M>
Cubemuch
(U2) first, then:
y M U L' U' M' U' L
9 HTM · 7 STM · 9 QTM
3-gen
rotation
<U,L,M>
Do U2 first (AUF) on the case as drawn. · Cubemuch
(U2) first, then:
x U' L U' L' y' U L' U
7 HTM · 7 STM · 7 QTM
2-gen
rotation
<U,L>
Do U2 first (AUF) on the case as drawn. · Cubemuch
(U2) first, then:
y' R' U' R y U' R U R'
7 HTM · 7 STM · 7 QTM
2-gen
rotation
oh
<U,R>
Do U2 first (AUF) on the case as drawn. · Cubemuch
(U) first, then:
y' U' Rw' R U' R' U Rw 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
(U) first, then:
y Rw' U Rw' U x Rw' U' Rw U' Rw2
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:
y L' y' L' U L y L U L' U' L
9 HTM · 9 STM · 9 QTM
2-gen
rotation
<U,L>
Do U first (AUF) on the case as drawn. · Cubemuch
(U') first, then:
y L' U' L U L' y' L' U' L y L
9 HTM · 9 STM · 9 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: L' U' M' U' L U M y'. Every algorithm above was run by our logic engine from that state and reaches "f2l-eo".