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(r U R' U') L' U R U'(R2 D') (R U'U') (R' D) (R U'U' R)F' (r U R' U') L' U Rx' R2 D2 (R' U' R) D2 (R' U R')x' (R U' R) D2 (R' U R) D2 R2x' (R U' R') D (R U R') D' RUR' D RU'R' D'(R'2 U) (R U R' U') (R' U') (R' U R')(R U' R) U (R U R U' R' U' R2)