XF
Algorithms (4)
U E L' E' L2 E L' U' E'
My choice
13 HTM · 9 STM · 14 QTM
3-gen
rotationless
<U,L,E>
One hand: needs L, B, S or E
BLDDB, on 52 solvers' sheets
R' F2 R' S' R F' 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 6 solvers' sheets
F2 R' S' R F' R' S R F'
11 HTM · 9 STM · 12 QTM
3-gen
rotationless
<R,F,S>
One hand: needs L, B, S or E
BLDDB, on 2 solvers' sheets
R F2 R' S' R F' 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 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: R' F R' S' R F R' S R F2 R. Every algorithm above was run by our logic engine from that state and reaches "solved".