XR
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)
U' D R' U' R' D R U R' D' R2 U D'
My choice
13 HTM · 13 STM · 14 QTM
3-gen
rotationless
<U,R,D>
One hand: R, U and M with F or D
BLDDB, on 36 solvers' sheets
R2 U R' U' R D' R' U R U' D R2
12 HTM · 12 STM · 14 QTM
3-gen
rotationless
<U,R,D>
One hand: R, U and M with F or D
BLDDB, on 13 solvers' sheets
R B R' U R D' R' U' R D B' R'
12 HTM · 12 STM · 12 QTM
rotationless
<U,R,D,B>
One hand: needs L, B, S or E
BLDDB, on 6 solvers' sheets
U' R' U' R' D2 R U R' D2 R2 U
11 HTM · 11 STM · 14 QTM
3-gen
rotationless
<U,R,D>
One hand: R, U and M with F or D
BLDDB, on 4 solvers' sheets
How this case is verified
The case is the source's setup (or, where it has none, another source algorithm reversed). Setup: R2 D' U R' U' R D R' U R U' R2. Every algorithm above was run by our logic engine from that state and reaches "solved".