UX
Algorithms (4)
L F' L' S L F2 L' S' L F' L'
My choice
13 HTM · 11 STM · 14 QTM
3-gen
rotationless
<F,L,S>
One hand: needs L, B, S or E
BLDDB, on 26 solvers' sheets
R' F R' S' R F2 R' S R F R
13 HTM · 11 STM · 14 QTM
3-gen
rotationless
<R,F,S>
One hand: needs L, B, S or E
BLDDB, on 19 solvers' sheets
M' U2 M D M' U2 M D'
12 HTM · 8 STM · 14 QTM
3-gen
rotationless
<U,D,M>
One hand: R, U and M with F or D
BLDDB, on 13 solvers' sheets
S' R' F E R2 E' R2 F' R S
14 HTM · 10 STM · 16 QTM
rotationless
<R,F,E,S>
One hand: needs L, B, S or E
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: R' F' R' S' R F2 R' S R F' R. Every algorithm above was run by our logic engine from that state and reaches "solved".