BF

Edge comms
B first
From memo: the letter pair is the case.
Your status
Recognition & spaced review

Algorithms (3)

U' R' E R U R' E' R
My choice
10 HTM · 8 STM · 10 QTM
3-gen
rotationless
<U,R,E>
One hand: needs L, B, S or E
BLDDB, on 64 solvers' sheets
U' r' E r U r' E' r
10 HTM · 8 STM · 10 QTM
3-gen
rotationless
<U,R,E>
One hand: needs L, B, S or E
BLDDB, on 2 solvers' sheets
L' S' L F' L' S L F
10 HTM · 8 STM · 10 QTM
3-gen
rotationless
<F,L,S>
One hand: needs L, B, S or E
BLDDB, on 1 solver's sheet

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' r U. Every algorithm above was run by our logic engine from that state and reaches "solved".