This stage solves the top layer edges after the last layer edges are oriented.
1. Swapping Two Pairs of Edges 2 cases
H Cross Swap of Edges
PELL H
- Order
2
- Symmetries
16
→M
S
RF
LF
y
y2
y'
Reverse
Reverse
+ any of the listed symmetries- Derivatives
U2
→ U
Z Parallel Swap of Edges
PELL Z
- Order
2
- Symmetries
8
→RF
LF
y2
Reverse
Reverse
+ any of the listed symmetries
2. Cycling Three Edges 2 cases
Ua Counterclockwise Cycling of Edges
PELL Ua
- Order
2
- Symmetries
2
→Reverse
+M
- Derivatives
M
Reverse
→ Ub
Ub Clockwise Cycling of Edges
PELL Ub
- Order
2
- Symmetries
2
→Reverse
+M
- Derivatives
M
Reverse
→ Ua