OJ
Algorithms (4)
R' f R S' R2 S R f' R
My choice
11 HTM · 9 STM · 12 QTM
3-gen
rotationless
<R,F,S>
One hand: needs L, B, S or E
BLDDB, on 27 solvers' sheets
U' D' R U M' U' R' U M D
12 HTM · 10 STM · 12 QTM
rotationless
<U,R,D,M>
One hand: R, U and M with F or D
BLDDB, on 17 solvers' sheets
R' u' R E' R2 E R u R
11 HTM · 9 STM · 12 QTM
3-gen
rotationless
<U,R,E>
One hand: needs L, B, S or E
BLDDB, on 14 solvers' sheets
S U L' E' L2 E L' U' S'
13 HTM · 9 STM · 14 QTM
rotationless
<U,L,E,S>
One hand: needs L, B, S or E
BLDDB, on 7 solvers' sheets
How this case is verified
The case is the source's setup (or, where it has none, another source algorithm reversed). Setup: D' M' U' R U M U' R' D U. Every algorithm above was run by our logic engine from that state and reaches "solved".