4x4 | Parity Algorithms Tous OLLPLL Tous Catégories Tous OLL PLL Cases: 44x4 parity occurs on the last layer of a 4x4, where you get a case that is impossible to get on a 3x3 so you need a specific algorithm to solve it. PLL Parity2 R' U R U' r2 U2 r2 Uw2 r2 u2 U R' U' R PLL Parity1 r2, U2, r2, Uw2, r2, u2 OLL Parity2 r', U2, l, F2, l', F2, r2, U2, r, U2, r', U2, F2, r2, F2 OLL Parity1 Rw U2, X, Rw U2, Rw U2 , Rw' U2, Lw U2, Rw' U2, Rw U2, Rw' U2, Rw'Rw' U2' Rw U2 Rw U2' Rw2' F2 Rw' U2 Rw' U2' F2 Rw2 F2