UR and BL
Flips
Without UF
Seen during memo: an edge in place with its colours the wrong way round.
Your status
Algorithms (4)
U R E' R' U' R E R2 E2 R U R' E2 R U'
My choice
19 HTM · 15 STM · 24 QTM
3-gen
rotationless
<U,R,E>
One hand: needs L, B, S or E
BLDDB, on 10 solvers' sheets
S R E' R2 E R2 B2 R' S' R 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 F2 R S' R' F2 R S R' E R
17 HTM · 13 STM · 20 QTM
rotationless
<R,F,E,S>
One hand: needs L, B, S or E
BLDDB, on 5 solvers' sheets
U' R' E2 R U R' E2 R2 E' R' U' R E R' U
19 HTM · 15 STM · 24 QTM
3-gen
rotationless
<U,R,E>
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 B2 R' S R B2 R2 E' R2 E R' S'. Every algorithm above was run by our logic engine from that state and reaches "solved".