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 (10)
(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
F' U' F R U R' U' R U R'
10 HTM · 10 STM · 10 QTM
3-gen
rotationless
<U,R,F>
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
R U R U R' U' R' F R F' R'
11 HTM · 11 STM · 11 QTM
3-gen
rotationless
<U,R,F>
Cubemuch
(U2) first, then:
y2 B' U Lw' U' B U Lw U B
9 HTM · 9 STM · 9 QTM
3-gen
rotation
<U,L,B>
Do U2 first (AUF) on the case as drawn. · Cubemuch
y' U2 R' U R U y R U R'
8 HTM · 8 STM · 9 QTM
2-gen
rotation
oh
<U,R>
Cubemuch
(U2) first, then:
y2 B' U' B U Rw U B' U' Rw'
9 HTM · 9 STM · 9 QTM
3-gen
rotation
<U,R,B>
Do U2 first (AUF) on the case as drawn. · Cubemuch
(U2) first, then:
x U' B' U B2 y U2 B U B' U
9 HTM · 9 STM · 11 QTM
2-gen
rotation
<U,B>
Do U2 first (AUF) on the case as drawn. · Cubemuch
x U' L U' L' y' U2 L U' L2 U
9 HTM · 9 STM · 11 QTM
2-gen
rotation
<U,L>
Cubemuch
x U' L U' L' y' U2 L2 U' L U
9 HTM · 9 STM · 11 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' U R U' R' F' U F. Every algorithm above was run by our logic engine from that state and reaches "f2l-eo".