FN

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

Algorithms (4)

r U R' E R2 E' R' U' r'
My choice
11 HTM · 9 STM · 12 QTM
3-gen
rotationless
<U,R,E>
One hand: needs L, B, S or E
BLDDB, on 46 solvers' sheets
E R U' R' E2 R U R' E
12 HTM · 9 STM · 14 QTM
3-gen
rotationless
<U,R,E>
One hand: needs L, B, S or E
BLDDB, on 7 solvers' sheets
L2 F' E L2 E' L2 F L2
10 HTM · 8 STM · 14 QTM
3-gen
rotationless
<F,L,E>
One hand: needs L, B, S or E
BLDDB, on 3 solvers' sheets
r' L' U M' U2 M U r L
11 HTM · 9 STM · 12 QTM
rotationless
<U,R,L,M>
One hand: needs L, B, S or E
BLDDB, on 3 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' R U' R' E2 R U R' E'. Every algorithm above was run by our logic engine from that state and reaches "solved".