HN
Algorithms (4)
u R S R2 S' R u'
My choice
9 HTM · 7 STM · 10 QTM
3-gen
rotationless
<U,R,S>
One hand: needs L, B, S or E
BLDDB, on 34 solvers' sheets
u' L S' L2 S L u
9 HTM · 7 STM · 10 QTM
3-gen
rotationless
<U,L,S>
One hand: needs L, B, S or E
BLDDB, on 16 solvers' sheets
F R2 E' R2 E F'
8 HTM · 6 STM · 10 QTM
3-gen
rotationless
<R,F,E>
One hand: needs L, B, S or E
BLDDB, on 11 solvers' sheets
x' U M' U2 M U x
7 HTM · 5 STM · 8 QTM
2-gen
rotation
oh
<U,M>
One hand: R, U and M
BLDDB, on 6 solvers' sheets
How this case is verified
The case is the source's setup (or, where it has none, another source algorithm reversed). Setup: u' L' S' L2 S L' u. Every algorithm above was run by our logic engine from that state and reaches "solved".