FR and DR
Flips
Without UF
Seen during memo: an edge in place with its colours the wrong way round.
Your status
Algorithms (4)
S' U L E' L' U L E L2 E2 L U' L' E2 L U'
S
My choice
23 HTM · 17 STM · 28 QTM
rotationless
<U,L,E,S>
One hand: needs L, B, S or E
BLDDB, on 6 solvers' sheets
u R' E R2 E' R2 F2 R S' R' F2 R S u'
18 HTM · 14 STM · 22 QTM
rotationless
<U,R,F,E,S>
One hand: needs L, B, S or E
BLDDB, on 3 solvers' sheets
S L E' L2 E L S' r E' L' E r' E' L E
23 HTM · 15 STM · 24 QTM
rotationless
<R,L,E,S>
One hand: needs L, B, S or E
BLDDB, on 3 solvers' sheets
f' R' F R U' M' U2 M U' S R' F' R F
17 HTM · 14 STM · 18 QTM
rotationless
<U,R,F,M,S>
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 S' R' F2 R S R' F2 R2 E R2 E' R u'. Every algorithm above was run by our logic engine from that state and reaches "solved".