333fm
1、(1)Cross:D2 L2 D2 B2 D F2 U'(7 steps)
(2)F2L【1】:x2 U L' U' L(4 steps)
F2L【2】:R' U2 R2 U R'(5 steps)
F2L【3】:B U2 B'(3 steps)
F2L【4】:U2 L U2 L' U B' U' B(8 steps)
(3)OLL:Rw U2 R' U' R U' Rw' R' U2 R U R' U R(14 steps)
(4)PLL:y2 R U2 R' U2 R B' R' U' R U R B R2(13 steps)
Total steps:54 steps
2、(1)Cross:B' R L2 B F U(6 steps)
(2)F2L【1】:x2 U L' U' L(4 steps)
F2L【2】:U' R U R' U F' U2 F(8 steps)
F2L【3】:U2 B U' B' U R' U R(8 steps)
F2L【4】:B' U' B U B' U2 B(7 steps)
(3)OLL:y Rw U R' U R U2 Rw'(7 steps)
(4)PLL:y' R U R' F' R U R' U' R' F R2 U' R' U'(14 steps)
Total steps:54 steps
3、(1)Cross:U' F D U2 L R2(6 steps)
(2)F2L【1】:z2 R' U2 R U F U F'(7 steps)
F2L【2】:R U2 R' U F' U' F(7 steps)
F2L【3】:U' B' U' B2 U B'(6 steps)
F2L【4】:B' U B U2 L U2 L' U2 L U' L'(11 steps)
(3)OLL:R U R' U' Rw R' U R U' Rw'(10 steps)
(4)PLL:U' y2 x' R U' R D2 R' U R D2 R2(10 steps)
Total steps:57 steps
思路:CFOP