Up UB
SBLS
Corner on U oriented
Find the corner first (up or down, and its orientation), then where the edge is.
Your status
Algorithms (2)
R U R'
My choice
3 HTM · 3 STM · 3 QTM
2-gen
rotationless
oh
<U,R>
SpeedCubeDB, 0 votes
l F R'
3 HTM · 3 STM · 3 QTM
3-gen
rotationless
<R,F,L>
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'. Every algorithm above was run by our logic engine from that state and reaches "second-block", keeping first-block.