Up UFm
SBLS
Corner on U oriented
Find the corner first (up or down, and its orientation), then where the edge is.
Your status
Algorithms (4)
r U r'
My choice
3 HTM · 3 STM · 3 QTM
2-gen
rotationless
oh
<U,R>
SpeedCubeDB, 2 votes
L F L'
3 HTM · 3 STM · 3 QTM
2-gen
rotationless
<F,L>
SpeedCubeDB, 0 votes
U r' D' r U' r' D r
8 HTM · 8 STM · 8 QTM
3-gen
rotationless
<U,R,D>
SpeedCubeDB, 0 votes
U' F' U F
4 HTM · 4 STM · 4 QTM
2-gen
rotationless
<U,F>
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.