333fm 1、(1)Cross:L U' (2 steps) (2)F2L①:z2 y2 U' F U' F' U2 F' U F (8 steps) F2L②:B U' B' (3 steps) F2L③:U L' U L U' L' U' L (8 steps) F2L④:U2 B' U' B U' B' U B (8 steps) (3)OLL:y' R U2 R' U' R U' R' (7 steps) (4)PLL:U R U' R U R U R U' R' U' R2 (12 steps) Total steps:48 steps 2、(1)Cross:F B L' R' Dw' B2 F' U (8 steps) (2)F2L①:z2 F' U2 F (3 steps) F2L②:y F' U' F U B U' B' (7 steps) F2L③:U' F' U F U' L U' L' U' F' U' F (12 steps) F2L④:y2 U' F' U' F U' R U2 R' (8 steps) (3)OLL:Fw R U R' U' Fw' y' R U R' U R U2 R' (13 steps) (4)PLL:y U R2 U R U R' U' R' U' R' U R' (12 steps) Total steps:63 steps 3、(1)Cross:D' B2 F' R D F2 U' (7 steps) (2)F2L①:x2 F' U F (3 steps) F2L②:U2 F U' F' U' L' U L (8 steps) F2L③:y2 U F' U2 F2 U F' (6 steps) F2L④:R U R' U R U' R' (7 steps) (3)OLL:R U R' U' R' F R F' (8 steps) (4)PLL:U' R U' R U R U R U' R' U' R2 (12 steps) Total steps:51 steps 思路:CFOP