AB
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)
R' B' R2 D R' U' R D' R' U R' B R
My choice
13 HTM · 13 STM · 14 QTM
rotationless
<U,R,D,B>
One hand: needs L, B, S or E
BLDDB, on 23 solvers' sheets
l' U R' D2 R U' R' D2 R l
10 HTM · 10 STM · 12 QTM
rotationless
<U,R,D,L>
One hand: needs L, B, S or E
BLDDB, on 23 solvers' sheets
R' D R U2 R' D' R U' R' D R U' R' D' 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 16 solvers' sheets
R D R' U' R D' R' U2 R D R' U' R D' 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 9 solvers' sheets
How this case is verified
The case is the source's setup (or, where it has none, another source algorithm reversed). Setup: l' R' D2 R U R' D2 R U' l. Every algorithm above was run by our logic engine from that state and reaches "solved".