Um ULm
SBLS
Corner on U misoriented
Find the corner first (up or down, and its orientation), then where the edge is.
Your status
Algorithms (3)
F' U' F
My choice
3 HTM · 3 STM · 3 QTM
2-gen
rotationless
<U,F>
SpeedCubeDB, 2 votes
U M R U' R'
6 HTM · 5 STM · 6 QTM
3-gen
rotationless
oh
<U,R,M>
SpeedCubeDB, 1 votes
U r' R2 U' R'
5 HTM · 5 STM · 6 QTM
2-gen
rotationless
oh
<U,R>
SpeedCubeDB, 0 votes
How this case is verified
The case is the source's setup (or, where it has none, another source algorithm reversed). Setup: R U R' M' U'. Every algorithm above was run by our logic engine from that state and reaches "second-block", keeping first-block.