FL and DB
Flips
Without UF
Seen during memo: an edge in place with its colours the wrong way round.
Your status
Algorithms (4)
r' E R U R' E' R2 E2 R' U' R E2 R' M'
My choice
19 HTM · 14 STM · 24 QTM
rotationless
<U,R,M,E>
One hand: needs L, B, S or E
BLDDB, on 8 solvers' sheets
R M E2 R' U R E2 R2 E R U' R' E' r
19 HTM · 14 STM · 24 QTM
rotationless
<U,R,M,E>
One hand: needs L, B, S or E
BLDDB, on 5 solvers' sheets
D' R' E R2 E' R2 F2 R S' R' F2 R S D
18 HTM · 14 STM · 22 QTM
rotationless
<R,F,D,E,S>
One hand: needs L, B, S or E
BLDDB, on 3 solvers' sheets
L' U M U' S R' F' R S' R' F R U' M' U L
20 HTM · 16 STM · 20 QTM
rotationless
<U,R,F,L,M,S>
One hand: needs L, B, S or E
BLDDB, on 2 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 M' R'. Every algorithm above was run by our logic engine from that state and reaches "solved".