XN
Algorithms (4)
u L' E' L2 E L' u'
My choice
9 HTM · 7 STM · 10 QTM
3-gen
rotationless
<U,L,E>
One hand: needs L, B, S or E
BLDDB, on 52 solvers' sheets
R S' R F R' S R F' R2
11 HTM · 9 STM · 12 QTM
3-gen
rotationless
<R,F,S>
One hand: needs L, B, S or E
BLDDB, on 4 solvers' sheets
L2 U L' E L U' L' E' L'
11 HTM · 9 STM · 12 QTM
3-gen
rotationless
<U,L,E>
One hand: needs L, B, S or E
BLDDB, on 3 solvers' sheets
R' S' R2 S' R' U R S R' U' R' S R
17 HTM · 13 STM · 18 QTM
3-gen
rotationless
<U,R,S>
One hand: needs L, B, S or E
BLDDB, on 2 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 F R' S' R F' R' S R'. Every algorithm above was run by our logic engine from that state and reaches "solved".