UL and FL
Flips
Without UF
Seen during memo: an edge in place with its colours the wrong way round.
Your status
Algorithms (4)
U' R' E R U' R' E' R2 E2 R' U R E2 R' U
My choice
19 HTM · 15 STM · 24 QTM
3-gen
rotationless
<U,R,E>
One hand: needs L, B, S or E
BLDDB, on 13 solvers' sheets
R' E R U2 R' E' R2 E2 R' U2 R E2 R'
17 HTM · 13 STM · 24 QTM
3-gen
rotationless
<U,R,E>
One hand: needs L, B, S or E
BLDDB, on 5 solvers' sheets
U R E2 R' U R E2 R2 E R U' R' E' R U'
19 HTM · 15 STM · 24 QTM
3-gen
rotationless
<U,R,E>
One hand: needs L, B, S or E
BLDDB, on 2 solvers' sheets
U' R E2 R' U' R E2 R2 E R U R' E' R U
19 HTM · 15 STM · 24 QTM
3-gen
rotationless
<U,R,E>
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 E2 R' U2 R E2 R2 E R U2 R' E' R. Every algorithm above was run by our logic engine from that state and reaches "solved".