z2 y
//corners UPVB FJNC
//edges FRGA QMXP VISK LC
[U R : [R U' R', D2]]
[U D : [R D R', U2]]
[R U' D' R' : [D, R' U R]]
[U, R' D R]
R2 S' U S M U' R2 U' M' U //UF-BU-BD-RU-UL
R U M S' D' S D M' U' R'
[U' R : [E, R2]] [M' U R' : [E', R2]] [R' E2 R, U']
R U R' F' R U R' U' R' F R2 U' R' U' //parity