Last layer orientation
OLL 20: Dot with left bar
All edges flipped, two left corners oriented Solve it with M U R U R' U' M2 U R U' r' — 13 moves on a moderate case.
The algorithm
M U R U R' U' M2 U R U' r'Step through it
Watch OLL 20 on a 3D cube
Move 1 of 130%
How to recognise it
- All edges flipped, two left corners oriented
- Vertical bar on the left
Drill this case
The trainer opens on OLL 20 and spaces the repetitions for you.
Practise OLL 20 in the trainerNearby cases
Other cases you recognise the same way:
Looking for the whole set? Browse all OLL algorithms or read the OLL recognition guide.