NW
Corner comms
N 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 17 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 15 solvers' sheets
U R U' D' R' D R U2 R' D' R U' D R' U'
15 HTM · 15 STM · 16 QTM
3-gen
rotationless
<U,R,D>
One hand: R, U and M with F or D
BLDDB, on 10 solvers' sheets
R D' R2 D R2 U R2 D' R2 D R2 U' R
13 HTM · 13 STM · 18 QTM
3-gen
rotationless
<U,R,D>
One hand: R, U and M with F or D
BLDDB, on 5 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".