4x4 Parity

Rw - both right layers
r - inner right layer
R - outer right layer
x - cube clockwise (right layer)

Uw2, Rw2, U2, r2, U2, Rw2, Uw2
OR
r2, U2, r2, Uw2, r2, U2, Uw2

Rw, U2, Rw, x, U2, r, U2, x', l', U2, l, U2, r', U2, r, U2, Rw', U2, Rw'

Last 2 Edges:
Rw U2 Rw D Rw' U2 Rw D' Rw2'