UB and BL
Flips
Without UF
Seen during memo: an edge in place with its colours the wrong way round.
Your status
Algorithms (2)
R E' R' U R E R2 E2 R U' R' E2 R
My choice
17 HTM · 13 STM · 22 QTM
3-gen
rotationless
<U,R,E>
One hand: needs L, B, S or E
BLDDB, on 14 solvers' sheets
R' E2 R U R' E2 R2 E' R' U' R E R'
17 HTM · 13 STM · 22 QTM
3-gen
rotationless
<U,R,E>
One hand: needs L, B, S or E
BLDDB, on 11 solvers' sheets
How this case is verified
The case is the source's setup (or, where it has none, another source algorithm reversed). Setup: R E' R' U R E R2 E2 R U' R' E2 R. Every algorithm above was run by our logic engine from that state and reaches "solved".