David-Nuo Cheng

U Face
D Face
F Face
B Face
L Face
R Face
U Face
D Face
F Face
B Face
L Face
R Face
U Face
D Face
F Face
B Face
L Face
R Face
F Face
R Face
L Face
D Face
F Face
B Face
D2 R' F' U2 D R2 B L F B2 U' D2 B2 U F2 R2 D' L2 F2 L2
42STM /8.24=5.1TPS
42STM42HTM51QTM47ETM
x2 y // inspection U' F L F R D2 // xcross y L' U' L // 2nd pair R U R' L U' L' // 3rd pair R U2 R' U R U' R' // 4th pair U2 R2 D R' U2 R D' R' U2 R' // OLL x R' U R' D2 R U' R' D2 R2 x' U' // PLL