L2 U2 L2 B2 R2 U R2 B2 R B2 D R2 U B' R' F U' B R2 U'

x' // inspection
R' (U D) R U2' B // 1st square
U' M2' U R' F // 1st block
r2 U R2' U M r' U' R // 2nd square
U' U2' R U r' // 2nd block
U' U' F R2 D R' U R D' R2' U' f' S // CMLL
M' U' M' U2' M' U M U M2' U M' U2' M' // LSE