PS
Algorithms (3)
D' R' D' 2R' D R D' 2R D2
My choice
11 HTM · 9 STM · 12 QTM
2-gen
rotationless
<R,D>
One hand: R, U and M with F or D
BLDDB, on 9 solvers' sheets
x' 2R U2 2R' D' 2R U2 2R' D x
12 HTM · 8 STM · 14 QTM
3-gen
rotation
<U,R,D>
One hand: R, U and M with F or D
BLDDB, on 7 solvers' sheets
z' R' U' R' 2U' R U R' 2U R2 z
11 HTM · 9 STM · 12 QTM
2-gen
rotation
oh
<U,R>
One hand: R and U only
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: x' D' 2R U2 2R' D 2R U2 2R' x. Every algorithm above was run by our logic engine from that state and reaches "solved".