ELS R4
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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 (12)
B' R' F R B F2 U F
My choice
8 HTM · 8 STM · 9 QTM
rotationless
<U,R,F,B>
Cubemuch
F' U' F Rw U' Rw' U' Rw U Rw'
10 HTM · 10 STM · 10 QTM
3-gen
rotationless
<U,R,F>
Cubemuch
y Lw' U' L U L2 Lw U L
8 HTM · 8 STM · 9 QTM
2-gen
rotation
<U,L>
Cubemuch
(U) first, then:
y' U' Rw' U' R U R2 Rw U R
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:
R' F R F' U2 R U R' U' R U R'
12 HTM · 12 STM · 13 QTM
3-gen
rotationless
<U,R,F>
Do U first (AUF) on the case as drawn. · Cubemuch
(U) first, then:
R' D2 Rw U' Rw2 D Rw D2 R
9 HTM · 9 STM · 12 QTM
3-gen
rotationless
<U,R,D>
Do U first (AUF) on the case as drawn. · Cubemuch
Rw' D' Rw U' Rw' D Rw2 U' Rw' U' Rw U Rw'
13 HTM · 13 STM · 14 QTM
3-gen
rotationless
<U,R,D>
Cubemuch
(U2) first, then:
R U' R' U R y U' R U2 R' y' R'
10 HTM · 10 STM · 11 QTM
2-gen
rotation
oh
<U,R>
Do U2 first (AUF) on the case as drawn. · Cubemuch
y L' y' U' L' U L U L' U L y L
10 HTM · 10 STM · 10 QTM
2-gen
rotation
<U,L>
Cubemuch
y L' y' U L' U L y L U' L' U' L
10 HTM · 10 STM · 10 QTM
2-gen
rotation
<U,L>
Cubemuch
y' Lw' B' Lw y2 B y B' Lw' B' Lw B Lw'
10 HTM · 10 STM · 10 QTM
2-gen
rotation
<L,B>
Cubemuch
(U) first, then:
y' Lw U' Lw' y2 U2 Lw' U2 Lw y' U2 Lw
9 HTM · 9 STM · 12 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: Rw U' Rw' U Rw U Rw' F' U F. Every algorithm above was run by our logic engine from that state and reaches "f2l-eo".