333fm 1、(1)Cross:U' F' R U R U' (6 steps) (2)F2L①:z2 L U2 L' U F U' F' (7 steps) F2L②:y2 F' U F2 U F' (5 steps) F2L③:U' R U' R' y2 F' U2 F (7 steps) F2L④:y2 U R U R' U2 R U' R' (8 steps) (3)OLL:f R U R' U' f' y' r U R' U' r' F R F' (14 steps) (4)PLL:R U2 R' U' R U2 L' U R' U' L y x' R U' R D2 R' U R D2 R2 (20 steps) Total steps:67 steps 2、(1)Cross:R L U B' R U' (6 steps) (2)F2L①:x2 R' U R2 U R' (5 steps) F2L②:y2 F' U F R U2 R' (6 steps) F2L③:y R U2 R' y2 U' R U R' (7 steps) F2L④:y2 R U' R' U' R U' R' U F' U' F (11steps) (3)OLL:y f R U R' U' f' U R U R' U' R' F R F' (15 steps) (4)PLL:x' R2 D2 R' U' R D2 R' U R' x y' F2 U L R' F2 L' R U F2 (18 steps) Total steps:67 steps 3、(1)Cross :F' L' U' R' L U' F U2 (8 steps) (2)F2L①:z2 R U R' U' R U R' U2 y R U R' (11 steps) F2L②:y' U F' U F U R U' R' (8 steps) F2L③:L U' L2 U' L (5 steps) F2L④:y2 U R U' R' U F' U' F (8 steps) (3)OLL:F R U R' U' F2 r U R' U' r' F R (13 steps) (4)PLL:y2 R U2 R' U' R U2 L' U R' U' L y x' R U' R D2 R' U R D2 R2 (20 steps) Total steps:73 steps 思路:CFOP