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).
Your status
Algorithms (8)
R U R' U x R' U R U'
My choice
8 HTM · 8 STM · 8 QTM
2-gen
rotation
oh
<U,R>
Cubemuch
R U R' U R' F R F'
8 HTM · 8 STM · 8 QTM
3-gen
rotationless
<U,R,F>
Cubemuch
(U) first, then:
y U' F U R U' R' U F'
8 HTM · 8 STM · 8 QTM
3-gen
rotation
<U,R,F>
Do U first (AUF) on the case as drawn. · Cubemuch
R y U R U' R' y' U R'
7 HTM · 7 STM · 7 QTM
2-gen
rotation
oh
<U,R>
Cubemuch
(U') first, then:
R U2 x R2 U R U' x' R U R'
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:
y2 B U B' L' B L2 U' L' B'
9 HTM · 9 STM · 10 QTM
3-gen
rotation
<U,L,B>
Do U first (AUF) on the case as drawn. · Cubemuch
(U2) first, then:
x U2 L U L' y2 U L' U L U'
9 HTM · 9 STM · 10 QTM
2-gen
rotation
<U,L>
Do U2 first (AUF) on the case as drawn. · Cubemuch
L' U2 x L2 U' L' y2 U' L' U2 L
9 HTM · 9 STM · 12 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: F R' F' R U' R U' R'. Every algorithm above was run by our logic engine from that state and reaches "f2l-eo".