UB and DF
Flips
Without UF
Seen during memo: an edge in place with its colours the wrong way round.
Your status
Algorithms (2)
M' U2 M U' S R' F' R S' R' F R U'
My choice
17 HTM · 13 STM · 18 QTM
rotationless
<U,R,F,M,S>
One hand: needs L, B, S or E
BLDDB, on 23 solvers' sheets
U R' F' R S R' F R S' U M' U2 M
17 HTM · 13 STM · 18 QTM
rotationless
<U,R,F,M,S>
One hand: needs L, B, S or E
BLDDB, on 5 solvers' sheets
How this case is verified
The case is the source's setup (or, where it has none, another source algorithm reversed). Setup: M' U2 M U' S R' F' R S' R' F R U'. Every algorithm above was run by our logic engine from that state and reaches "solved".