OLL 20: Dot with all four corners up; every side face shows a single mid yellow.

OLL 20

Dot with all four corners up; every side face shows a single mid yellow.

OLL · Dotprobability 1/216

Algorithm

r U R' U' M2 U R U' R' U' M'

OLL 20 case diagram — The replay starts at the case and solves it — step through it, or drag to rotate.

1 alternate algorithm

r' R U (R U R' U') M2 U R U' r'

Setup scrambles

R L' F2 D2 B R L U B2 D' L2 D' B2 U B2 U F2 U' L2 U2
R L' F2 D2 B R L U B2 D' R2 L2 D2 R2 D B2 U F2 B2 L2
R L' F2 D2 B R L F2 B2 L2 D F2 B2 U F2 B2 D F2 U' D2
R L' F2 D2 B R L' F2 D F2 R2 L2 U B2 U B2 U B2 D2

Each scramble produces this case from a solved cube (hold yellow up).