4B

OLL
OLL 4
Read the top face's shape: groups are named after it (anchors, T, C, S, hammerheads...).
Your status
Recognition & spaced review

Algorithms (2)

y2' R U2 R' U' R U R' U' R U' R'
My choice
11 HTM · 11 STM · 12 QTM
2-gen
rotation
<U,R>
SpeedCubeDB, 3 votes
R' U2' R U R' U' R U R' U R
11 HTM · 11 STM · 12 QTM
2-gen
rotationless
<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 U' R' U R U' R' U2 R. Every algorithm above was run by our logic engine from that state and reaches "oll-solved", keeping first-layers.