OA
Algorithms (4)
U R' E' R U2 R' E R U
My choice
11 HTM · 9 STM · 12 QTM
3-gen
rotationless
<U,R,E>
One hand: needs L, B, S or E
BLDDB, on 35 solvers' sheets
U R E R' U2 R E' R' U
11 HTM · 9 STM · 12 QTM
3-gen
rotationless
<U,R,E>
One hand: needs L, B, S or E
BLDDB, on 28 solvers' sheets
U2 M D' M' U2 M D M'
12 HTM · 8 STM · 14 QTM
3-gen
rotationless
<U,D,M>
One hand: R, U and M with F or D
BLDDB, on 5 solvers' sheets
U r' E' r U2 r' E r U
11 HTM · 9 STM · 12 QTM
3-gen
rotationless
<U,R,E>
One hand: needs L, B, S or E
BLDDB, on 3 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' R E R' U2 R E' R' U'. Every algorithm above was run by our logic engine from that state and reaches "solved".