RN
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
Algorithms (4)
U R2 D R' U2 R D' R' U2 R' U'
My choice
11 HTM · 11 STM · 14 QTM
3-gen
rotationless
<U,R,D>
One hand: R, U and M with F or D
BLDDB, on 56 solvers' sheets
U R2 U' R U R' D' R U' R' U D R2 U'
14 HTM · 14 STM · 16 QTM
3-gen
rotationless
<U,R,D>
One hand: R, U and M with F or D
BLDDB, on 6 solvers' sheets
R B R' U' R D' R' U2 R D R' U' R B' R'
15 HTM · 15 STM · 16 QTM
rotationless
<U,R,D,B>
One hand: needs L, B, S or E
BLDDB, on 2 solvers' sheets
R' D2 R U R D' R' U' R D R2 D2 R
13 HTM · 13 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: U R2 D' U' R U R' D R U' R' U R2 U'. Every algorithm above was run by our logic engine from that state and reaches "solved".