FL and BL
Flips
Without UF
Seen during memo: an edge in place with its colours the wrong way round.
Your status
Algorithms (4)
L2 E' L2 E L' S L F2 L' S' L F2
My choice
16 HTM · 12 STM · 20 QTM
rotationless
<F,L,E,S>
One hand: needs L, B, S or E
BLDDB, on 11 solvers' sheets
F L' S L F' L' U M' U2 M U S' L
17 HTM · 13 STM · 18 QTM
rotationless
<U,F,L,M,S>
One hand: needs L, B, S or E
BLDDB, on 4 solvers' sheets
L' S U' M' U2 M U' L F L' S' L F'
17 HTM · 13 STM · 18 QTM
rotationless
<U,F,L,M,S>
One hand: needs L, B, S or E
BLDDB, on 4 solvers' sheets
R F E' R' U' R E R2 E2 R U R' E2 R2 F' R'
20 HTM · 16 STM · 26 QTM
rotationless
<U,R,F,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: L' S U' M' U2 M U' L F L' S' L F'. Every algorithm above was run by our logic engine from that state and reaches "solved".