BR and FL
Flips
Without UF
Seen during memo: an edge in place with its colours the wrong way round.
Your status
Algorithms (3)
E R2 E' R2 F2 R S' R' F2 R S R'
My choice
16 HTM · 12 STM · 20 QTM
rotationless
<R,F,E,S>
One hand: needs L, B, S or E
BLDDB, on 19 solvers' sheets
R S' R' F2 R S R' F2 R2 E R2 E'
16 HTM · 12 STM · 20 QTM
rotationless
<R,F,E,S>
One hand: needs L, B, S or E
BLDDB, on 3 solvers' sheets
R' u' R U R' E' R2 E2 R' U' R E2 R2 U R
18 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: E R2 E' R2 F2 R S' R' F2 R S R'. Every algorithm above was run by our logic engine from that state and reaches "solved".