4x4 single PLL Parity.

Uw’ Rw Fw2 R Uw2 Rw2 Fw D B’ Fw F Uw’ R2 U’ R’ B Rw’ Fw2 F’ U2 B2 Fw2 F Uw2 F’ Uw U2 R’ Fw2 D L Rw2 R’ Fw Rw D2 Uw’ F U L’ Lucky solve. Good for me.