(R U R' U') (R' F R2 U' R' U') (R U R' F')

z U'2 R'2 F (R U R' U')x3 F' R2 U'2

M2 U' M2 U'2 M2 U' M2

U R' U' R U' R U R U' R' U R U R2 U' R' U

x' R2 D2 R' U' R D2 R' U R'

x' R U' R D2 R' U R D2 R2