WV 18 miroir
ZBLS
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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 (5)
(U') first, then:
F' U F
My choice
3 HTM · 3 STM · 3 QTM
2-gen
rotationless
<U,F>
Do U' first (AUF) on the case as drawn. · Cubemuch
Dw' L' U L
4 HTM · 4 STM · 4 QTM
3-gen
rotationless
<U,D,L>
Cubemuch
(U') first, then:
y L' U L
3 HTM · 3 STM · 3 QTM
2-gen
rotation
<U,L>
Do U' first (AUF) on the case as drawn. · Cubemuch
(U2) first, then:
y L' U2 L
3 HTM · 3 STM · 4 QTM
2-gen
rotation
<U,L>
Do U2 first (AUF) on the case as drawn. · Cubemuch
y' U' R' U R
4 HTM · 4 STM · 4 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: L' U' L Dw. Every algorithm above was run by our logic engine from that state and reaches "f2l-eo".