21C+
OLL
OLL 21
Read the top face's shape: groups are named after it (anchors, T, C, S, hammerheads...).
Your status
Algorithms (3)
R' F' U2' F2 R U R' U' F' U2 R
My choice
11 HTM · 11 STM · 14 QTM
3-gen
rotationless
<U,R,F>
SpeedCubeDB, 0 votes
F U R U' R' U2 R U2' R' U R U' R' F'
14 HTM · 14 STM · 16 QTM
3-gen
rotationless
<U,R,F>
SpeedCubeDB, 0 votes
(U2') first, then:
y' R U2' R' F R' F' U2' R2 U' R2' U2' R
12 HTM · 12 STM · 17 QTM
3-gen
rotation
<U,R,F>
Do U2' first (AUF) on the case as drawn. · 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: F R U R' U' R U2 R' U2' R U R' U' F'. Every algorithm above was run by our logic engine from that state and reaches "oll-solved", keeping first-layers.