AF
Corner comms
A 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)
F U2 R' D' R U2 R' D R F'
My choice
10 HTM · 10 STM · 12 QTM
rotationless
<U,R,F,D>
One hand: R, U and M with F and D
BLDDB, on 32 solvers' sheets
f U2 R' D' R U2 R' D R f'
10 HTM · 10 STM · 12 QTM
rotationless
<U,R,F,D>
One hand: R, U and M with F and D
BLDDB, on 14 solvers' sheets
F U2 F' R F R' U2 R F' R'
10 HTM · 10 STM · 12 QTM
3-gen
rotationless
<U,R,F>
One hand: R, U and M with F or D
BLDDB, on 10 solvers' sheets
R' U R' U' R D R' U2 R D' R' U' R U' R
15 HTM · 15 STM · 16 QTM
3-gen
rotationless
<U,R,D>
One hand: R, U and M with F or D
BLDDB, on 6 solvers' sheets
How this case is verified
The case is the source's setup (or, where it has none, another source algorithm reversed). Setup: f R' D' R U2 R' D R U2 f'. Every algorithm above was run by our logic engine from that state and reaches "solved".