UB and DB
Flips
Without UF
Seen during memo: an edge in place with its colours the wrong way round.
Your status
Algorithms (3)
M U' S R' F' R S' R' F R U' M' U2
My choice
17 HTM · 13 STM · 18 QTM
rotationless
<U,R,F,M,S>
One hand: needs L, B, S or E
BLDDB, on 20 solvers' sheets
U2 M U R' F' R S R' F R S' U M'
17 HTM · 13 STM · 18 QTM
rotationless
<U,R,F,M,S>
One hand: needs L, B, S or E
BLDDB, on 6 solvers' sheets
U' M' U' M' U' M' U2 M' U' M' U' M' U' M2
21 HTM · 14 STM · 24 QTM
2-gen
rotationless
oh
<U,M>
One hand: R, U and M
BLDDB, on 1 solver's sheet
How this case is verified
The case is the source's setup (or, where it has none, another source algorithm reversed). Setup: M U' S R' F' R S' R' F R U' M' U2. Every algorithm above was run by our logic engine from that state and reaches "solved".