SI
Corner comms
S 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)
D2 R' F2 R D' R' D F2 D' R D'
My choice
11 HTM · 11 STM · 14 QTM
3-gen
rotationless
<R,F,D>
One hand: R, U and M with F and D
BLDDB, on 30 solvers' sheets
D' R U' D' R' D R U2 R' D' R U' D R' D
15 HTM · 15 STM · 16 QTM
3-gen
rotationless
<U,R,D>
One hand: R, U and M with F or D
BLDDB, on 16 solvers' sheets
R' F R D' R D R2 F' R U' R D' R' U D
15 HTM · 15 STM · 16 QTM
rotationless
<U,R,F,D>
One hand: R, U and M with F and D
BLDDB, on 6 solvers' sheets
B R U' R' D' R U2 R' D R U' R' B'
13 HTM · 13 STM · 14 QTM
rotationless
<U,R,D,B>
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: D' R D' U R' D R U2 R' D' R D U R' D. Every algorithm above was run by our logic engine from that state and reaches "solved".