DR and BL
Flips
Without UF
Seen during memo: an edge in place with its colours the wrong way round.
Your status
Algorithms (4)
R E' R2 E R2 B2 R' S' R B2 R' S
My choice
16 HTM · 12 STM · 20 QTM
rotationless
<R,B,E,S>
One hand: needs L, B, S or E
BLDDB, on 16 solvers' sheets
S' R B2 R' S R E' R2 E R2 B2 R'
16 HTM · 12 STM · 20 QTM
rotationless
<R,B,E,S>
One hand: needs L, B, S or E
BLDDB, on 5 solvers' sheets
R' E' R2 E R' S R' E' R2 E R S' R2
19 HTM · 13 STM · 22 QTM
3-gen
rotationless
<R,E,S>
One hand: needs L, B, S or E
BLDDB, on 1 solver's sheet
u' R E R2 E' R E' R E' R2 E R U
18 HTM · 13 STM · 20 QTM
3-gen
rotationless
<U,R,E>
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: R B2 R2 E' R2 E R' S' R B2 R' S. Every algorithm above was run by our logic engine from that state and reaches "solved".