XB
Corner comms
X 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 R U R' D' R U' R' D B' R
My choice
12 HTM · 12 STM · 12 QTM
rotationless
<U,R,D,B>
One hand: needs L, B, S or E
BLDDB, on 38 solvers' sheets
B2 R' F' R B2 R' F R
8 HTM · 8 STM · 10 QTM
3-gen
rotationless
<R,F,B>
One hand: needs L, B, S or E
BLDDB, on 15 solvers' sheets
R' U R' D' R U' R' D' R U R' D2 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 2 solvers' sheets
R U' R D' R' U R D2 R' U' R D' 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 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: R' F' R B2 R' F R B2. Every algorithm above was run by our logic engine from that state and reaches "solved".