ELS R3
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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).
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Algorithms (15)
(U') first, then:
B U2 B' U2 B' R B U' R'
My choice
9 HTM · 9 STM · 11 QTM
3-gen
rotationless
<U,R,B>
Do U' first (AUF) on the case as drawn. · Cubemuch
R U2 R' U R B U' B' R'
9 HTM · 9 STM · 10 QTM
3-gen
rotationless
<U,R,B>
Cubemuch
F R' F' R Rw U' R' U R U Rw'
11 HTM · 11 STM · 11 QTM
3-gen
rotationless
<U,R,F>
Cubemuch
(U') first, then:
F R' F' R2 U2 R' U2 R U R'
10 HTM · 10 STM · 13 QTM
3-gen
rotationless
<U,R,F>
Do U' first (AUF) on the case as drawn. · Cubemuch
(U2) first, then:
Lw R U' R' U x U' R' U2 R U R'
11 HTM · 11 STM · 12 QTM
3-gen
rotation
<U,R,L>
Do U2 first (AUF) on the case as drawn. · Cubemuch
(U') first, then:
y Rw U2 Rw' U x U' x' U' Rw U2 Rw'
9 HTM · 9 STM · 11 QTM
2-gen
rotation
oh
<U,R>
Do U' first (AUF) on the case as drawn. · Cubemuch
(U') first, then:
y F R U' R' U R U2 R' U2 F'
10 HTM · 10 STM · 12 QTM
3-gen
rotation
<U,R,F>
Do U' first (AUF) on the case as drawn. · Cubemuch
R U2 R' U R y R U' R' y' R'
9 HTM · 9 STM · 10 QTM
2-gen
rotation
oh
<U,R>
Cubemuch
R2 U R' U R U2 x R U R U'
10 HTM · 10 STM · 12 QTM
2-gen
rotation
oh
<U,R>
Cubemuch
R U R' U2 R y R U2 R' y' R'
9 HTM · 9 STM · 11 QTM
2-gen
rotation
oh
<U,R>
Cubemuch
(U2) first, then:
R U' R' U2 R y R U R' y' U R'
10 HTM · 10 STM · 11 QTM
2-gen
rotation
oh
<U,R>
Do U2 first (AUF) on the case as drawn. · Cubemuch
(U') first, then:
R y U' R U' R' y' R' U2 R U R'
10 HTM · 10 STM · 11 QTM
2-gen
rotation
oh
<U,R>
Do U' first (AUF) on the case as drawn. · Cubemuch
R U2 R' y2 U2 x' U2 R U R' U
9 HTM · 9 STM · 12 QTM
2-gen
rotation
oh
<U,R>
Cubemuch
(U2) first, then:
R y R U2 R' U2 R U2 R' y' R'
9 HTM · 9 STM · 12 QTM
2-gen
rotation
oh
<U,R>
Do U2 first (AUF) on the case as drawn. · Cubemuch
R U2 R' y' U R' U R y R U' R'
10 HTM · 10 STM · 11 QTM
2-gen
rotation
oh
<U,R>
Cubemuch
How this case is verified
The case is the source's setup (or, where it has none, another source algorithm reversed). Setup: R B U B' R' U' R U2 R'. Every algorithm above was run by our logic engine from that state and reaches "f2l-eo".