ELS R0
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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 (8)
R U2 R' U2 R U' R'
My choice
7 HTM · 7 STM · 9 QTM
2-gen
rotationless
oh
<U,R>
Cubemuch
R U2 R' U' R U2 R'
7 HTM · 7 STM · 9 QTM
2-gen
rotationless
oh
<U,R>
Cubemuch
(U) first, then:
x U2 x' U2 Lw' U2 Lw U2 x U2
7 HTM · 7 STM · 12 QTM
2-gen
rotation
<U,L>
Do U first (AUF) on the case as drawn. · Cubemuch
(U') first, then:
L' U2 L U2 x L U2 L' U2
8 HTM · 8 STM · 12 QTM
2-gen
rotation
<U,L>
Do U' first (AUF) on the case as drawn. · Cubemuch
(U') first, then:
Lw' U2 Lw U2 x Lw U2 Lw' U2
8 HTM · 8 STM · 12 QTM
2-gen
rotation
<U,L>
Do U' first (AUF) on the case as drawn. · Cubemuch
R2 U2 R2 U' R2 U' R' U' R'
9 HTM · 9 STM · 13 QTM
2-gen
rotationless
oh
<U,R>
Cubemuch
(U2) first, then:
R U2 R2 U2 R2 U R2 U R
9 HTM · 9 STM · 14 QTM
2-gen
rotationless
oh
<U,R>
Do U2 first (AUF) on the case as drawn. · Cubemuch
(U') first, then:
y' B' Lw2 B Lw2 B Lw2 B' Lw2
8 HTM · 8 STM · 12 QTM
2-gen
rotation
<L,B>
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: R U2 R' U R U2 R'. Every algorithm above was run by our logic engine from that state and reaches "f2l-eo".