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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 (10)
R U B U2 B' U2 R'
My choice
7 HTM · 7 STM · 9 QTM
3-gen
rotationless
<U,R,B>
Cubemuch
B U' Rw U' B' U Rw' U B'
9 HTM · 9 STM · 9 QTM
3-gen
rotationless
<U,R,B>
Cubemuch
(U') first, then:
y' Rw U2 R2 U' R2 U' Rw'
7 HTM · 7 STM · 10 QTM
2-gen
rotation
oh
<U,R>
Do U' first (AUF) on the case as drawn. · Cubemuch
(U') first, then:
R' D' R U2 R' D F R F'
9 HTM · 9 STM · 10 QTM
rotationless
<U,R,F,D>
Do U' first (AUF) on the case as drawn. · Cubemuch
R y U R U2 R' y' U2 R'
7 HTM · 7 STM · 9 QTM
2-gen
rotation
oh
<U,R>
Cubemuch
(U') first, then:
x L2 U2 L' U2 x2 L2 U L U'
8 HTM · 8 STM · 12 QTM
2-gen
rotation
<U,L>
Do U' first (AUF) on the case as drawn. · Cubemuch
(U') first, then:
B y B2 L2 B' L2 y' L' B'
7 HTM · 7 STM · 10 QTM
2-gen
rotation
<L,B>
Do U' first (AUF) on the case as drawn. · Cubemuch
(U2) first, then:
R U2 R' U2 R y R U' R' y' R'
9 HTM · 9 STM · 11 QTM
2-gen
rotation
oh
<U,R>
Do U2 first (AUF) on the case as drawn. · Cubemuch
(U2) first, then:
R U2 R' y' R' U' R y R U2 R'
9 HTM · 9 STM · 11 QTM
2-gen
rotation
oh
<U,R>
Do U2 first (AUF) on the case as drawn. · Cubemuch
(U2) first, then:
Lw U z2 Lw' y' Lw U Lw' U' Lw' U'
9 HTM · 9 STM · 9 QTM
2-gen
rotation
<U,L>
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: B U' Rw U' B U Rw' U B'. Every algorithm above was run by our logic engine from that state and reaches "f2l-eo".