OF

Corner comms
O first
From memo: the pair's letters are the case. The diagram shows the buffer and both targets lettered, the rest greyed.
Your status
Recognition & spaced review

Algorithms (4)

R' U R' D' R U2 R' D R U R
My choice
11 HTM · 11 STM · 12 QTM
3-gen
rotationless
<U,R,D>
One hand: R, U and M with F or D
BLDDB, on 47 solvers' sheets
U D' R U' F U R' U' R F' R' D
12 HTM · 12 STM · 12 QTM
rotationless
<U,R,F,D>
One hand: R, U and M with F and D
BLDDB, on 6 solvers' sheets
U' R U' R' U R D R' U' R U D' R' U
14 HTM · 14 STM · 14 QTM
3-gen
rotationless
<U,R,D>
One hand: R, U and M with F or D
BLDDB, on 2 solvers' sheets
D2 R' U' R U R' D R U' R' U D' R D2
14 HTM · 14 STM · 16 QTM
3-gen
rotationless
<U,R,D>
One hand: R, U and M with F or D
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: D' R F R' U R U' F' U R' D U'. Every algorithm above was run by our logic engine from that state and reaches "solved".