OK

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

Algorithms (4)

U' R' F' R S' R' F R S U
My choice
12 HTM · 10 STM · 12 QTM
rotationless
<U,R,F,S>
One hand: needs L, B, S or E
BLDDB, on 46 solvers' sheets
R' D R D' M D R' D' r
10 HTM · 9 STM · 10 QTM
3-gen
rotationless
<R,D,M>
One hand: R, U and M with F or D
BLDDB, on 6 solvers' sheets
x M' U R U' M U R' U' x'
10 HTM · 8 STM · 10 QTM
3-gen
rotation
oh
<U,R,M>
One hand: R, U and M
BLDDB, on 6 solvers' sheets
r M' U R U' M U R' U' r'
12 HTM · 10 STM · 12 QTM
3-gen
rotationless
oh
<U,R,M>
One hand: R, U and M
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: r' D R D' M' D R' D' R. Every algorithm above was run by our logic engine from that state and reaches "solved".