FR and DB

Flips
Without UF
Seen during memo: an edge in place with its colours the wrong way round.
Your status
Recognition & spaced review

Algorithms (4)

l E' L' U' L E L2 E2 L U L' E2 M' L
My choice
19 HTM · 14 STM · 24 QTM
rotationless
<U,L,M,E>
One hand: needs L, B, S or E
BLDDB, on 6 solvers' sheets
M L' E2 L U' L' E2 L2 E' L' U L E l'
19 HTM · 14 STM · 24 QTM
rotationless
<U,L,M,E>
One hand: needs L, B, S or E
BLDDB, on 4 solvers' sheets
D L E' L2 E L2 F2 L' S L F2 L' S' D'
18 HTM · 14 STM · 22 QTM
rotationless
<F,D,L,E,S>
One hand: needs L, B, S or E
BLDDB, on 4 solvers' sheets
R U' M U' S R' F' R S' R' F R U' M' U' R'
20 HTM · 16 STM · 20 QTM
rotationless
<U,R,F,M,S>
One hand: needs L, B, S or E
BLDDB, on 4 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 E' L' U' L E L2 E2 L U L' E2 L M'. Every algorithm above was run by our logic engine from that state and reaches "solved".