Ub Perm

Edges only: Corners are already solved; comes up 1 in 18 solves.

Algorithms

1. R2 U R U R' U' R' U' R' U R' reads as R2 U · Righty · R' · ZagZig (reverse)
2. M2 U' M U2 M' U' M2
3. R' U R' U' R' U' R' U R U R2 reads as ZagZig (inverse) · ZigZag (inverse) · R U R2

Also in Edges only

• H
• Ua
• Z

All 21 PLL cases