RI

Corner comms
R 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' U' D R D R' U2 R D' R' U' D' R U' R'
My choice
17 HTM · 17 STM · 18 QTM
3-gen
rotationless
<U,R,D>
One hand: R, U and M with F or D
BLDDB, on 23 solvers' sheets
R U R' D' R' D R U2 R' D' R U2 D R U' R'
16 HTM · 16 STM · 18 QTM
3-gen
rotationless
<U,R,D>
One hand: R, U and M with F or D
BLDDB, on 23 solvers' sheets
R2 U' R U' R' D' R U2 R' D R U' R' U R2
15 HTM · 15 STM · 18 QTM
3-gen
rotationless
<U,R,D>
One hand: R, U and M with F or D
BLDDB, on 13 solvers' sheets
R F' U R U' L2 U R' U' L2 F R'
12 HTM · 12 STM · 14 QTM
rotationless
<U,R,F,L>
One hand: needs L, B, S or E
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 U R' D' U2 R' D R U2 R' D' R D R U' R'. Every algorithm above was run by our logic engine from that state and reaches "solved".