OLL 55

Line shapes; comes up 1 in 108 solves.

Algorithms

1. y R' F U R U' R2 F' R2 U R' U' R reads as y R' F U R U' R2 F' R2 U · Extract (inverse)
2. y R' F R U R U' R2 F' R2 U' R' U R U R' reads as y R' F · ZigZag · R2 F' R2 U' R' U · Extract
3. R U2 R2 U' R U' R' U2 F R F' reads as R U2 R2 · Su (reverse) · U2 F R F'
4. r U2 R2 F R F' U2 r' F R F'

Also in Line shapes

• OLL 51
• OLL 52
• OLL 56

All 57 OLL cases