UB and DL
Flips
Without UF
Seen during memo: an edge in place with its colours the wrong way round.
Your status
Algorithms (4)
U L' E' L U2 L' E L S' L2 S L2 U
My choice
17 HTM · 13 STM · 20 QTM
rotationless
<U,L,E,S>
One hand: needs L, B, S or E
BLDDB, on 10 solvers' sheets
U L E L' U2 L E' L' S' L2 S L2 U
17 HTM · 13 STM · 20 QTM
rotationless
<U,L,E,S>
One hand: needs L, B, S or E
BLDDB, on 6 solvers' sheets
R S' R2 S' R U' R' S R2 S2 R' U R S' R'
20 HTM · 15 STM · 24 QTM
3-gen
rotationless
<U,R,S>
One hand: needs L, B, S or E
BLDDB, on 2 solvers' sheets
S U' R S2 R2 S' R U R' S R2 S2 R' S'
20 HTM · 14 STM · 26 QTM
3-gen
rotationless
<U,R,S>
One hand: needs L, B, S or E
BLDDB, on 1 solver's sheet
How this case is verified
The case is the source's setup (or, where it has none, another source algorithm reversed). Setup: U' L2 S' L2 S L E L' U2 L E' L' U'. Every algorithm above was run by our logic engine from that state and reaches "solved".