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)
R U' R' U' F' U' F
My choice
7 HTM · 7 STM · 7 QTM
3-gen
rotationless
<U,R,F>
Cubemuch
R U' R' U' y' R' U' R
7 HTM · 7 STM · 7 QTM
2-gen
rotation
oh
<U,R>
Cubemuch
R U' R' y' U' R' U' R
7 HTM · 7 STM · 7 QTM
2-gen
rotation
oh
<U,R>
Cubemuch
R U R' U2 x' R2 U' R' U R'
9 HTM · 9 STM · 11 QTM
2-gen
rotation
oh
<U,R>
Cubemuch
(U2) first, then:
R U R2 F R F' U R U' R'
10 HTM · 10 STM · 11 QTM
3-gen
rotationless
<U,R,F>
Do U2 first (AUF) on the case as drawn. · Cubemuch
(U2) first, then:
R B' R B x R2 B' R B2 R'
9 HTM · 9 STM · 11 QTM
2-gen
rotation
<R,B>
Do U2 first (AUF) on the case as drawn. · Cubemuch
y' B U B' U' Lw' U' B U Lw
9 HTM · 9 STM · 9 QTM
3-gen
rotation
<U,L,B>
Cubemuch
(U2) first, then:
R B' R B x R2 B2 R B' R'
9 HTM · 9 STM · 11 QTM
2-gen
rotation
<R,B>
Do U2 first (AUF) on the case as drawn. · Cubemuch
(U2) first, then:
x U' Rw' U' Rw y' U Rw' U Rw y' Rw'
9 HTM · 9 STM · 9 QTM
2-gen
rotation
oh
<U,R>
Do U2 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 R y U R U R'. Every algorithm above was run by our logic engine from that state and reaches "f2l-eo".