z2 inspection

centres
r U' r' U' r2 U' U' x2' y' r yellow
y U r' F F F r U' U' r U r' white 2x3
(y x) x' R2 u' u d E' U 3l' U2 r white

y' U' r U x x U U 3l U' l' r green
r U' U' r' U 3l' U U 3l orange 2x3
U x x U' U' r' U U r U r2' U' U' r2 orange
U' x' r r' U r U' r' F' U' U' r U r' U' r U' U' r' blue / red

edges
U U r (y x') R U' R' u' d WB
R U' R' d' R U R' F R' F' R U' d RB
U' R U' R' u YB
y' U' R U' R' (z x') x' r2 z U F R' F' R u' d GR
R U' R' y R U' R' u YO
y' R U' R' d' U' R U' R' 3u' WR
U' R U' R' (z x') z R U R' F R' F' R 3u' OB
R U R' (z x') (z y') y R U R' F R' F' R u YG
y' U' R U' R' u' u' d' fix centres
(z' x') z' R' U R u 3u' YR
R U' R' u' d fix centres
z' 3r r' U2 l' 3l z R' U R u WO
y' F R' F' R 3d' YG / GO

3x3x3
U R x' L' x' U y' R' F D' white cross
R U' R' wGR
y' U y' U R' U' U' R2 U R' wOB
4d' R U' R' wRB
y' (y' x') R2 U' R' U 4l' U U R U' R' wGO / EO
U R R' U F U R U' R' U R U' U' R' U' R U R' F' COLL
R' U' R U' R U R U' R' U R U R2 U' R' U EPLL