NF
Algorithms (4)
r U R E R2 E' R U' r'
My choice
11 HTM · 9 STM · 12 QTM
3-gen
rotationless
<U,R,E>
One hand: needs L, B, S or E
BLDDB, on 46 solvers' sheets
E' R U' R' E2 R U R' E'
12 HTM · 9 STM · 14 QTM
3-gen
rotationless
<U,R,E>
One hand: needs L, B, S or E
BLDDB, on 7 solvers' sheets
r' L' U' M' U2 M U' r L
11 HTM · 9 STM · 12 QTM
rotationless
<U,R,L,M>
One hand: needs L, B, S or E
BLDDB, on 4 solvers' sheets
E R' U' R E' R2 E R U R E'
15 HTM · 11 STM · 16 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: E R U' R' E2 R U R' E. Every algorithm above was run by our logic engine from that state and reaches "solved".