z2 y
//edges XIUB QAVO GK
//corners UOWB FMJC
U L' U M U2 M2 U L U' M //UF-FD-FL-DB-UB
U R F' U' S U S' F R' U' //UF-LD-UL-DR-RF
[l U' : [M', U2]]
[R D' R': [U, R' D R]]
[U2, R' D' R]
[D R' U' : [D', R U R']]
R U R' U' R U R' U' R U R' F' R U R' U' R' F R2 U2 R' U R U' R'