z' y' inspection

u' x' U' r U' r2' white
y r' F2 r x' l' U' l yellow

y' U U' x' U 3r' U' 3r r' U WR
x U' r2 3r2' D' WB
U R U' r 3r2' F WO

3r2 3r 3r U' r' U' U' r2 U r2' blue
3r r U2' r' 3r r' U2' r red
U' r U' r' orange/green

x2 z' u U' F R' F' R u' D' F D WG

y u' y L' U L y L' U L u GO/GR
U' u' U R U' R' u YO/YG/BR

U L' U2 L U' L' U L 1st pair
y U U' R' U R U' R U' R2' U R 2nd pair
y' R' U' R U2 R U' R2' U' R U2 R' U R 3rd/4th pairs
U R' U' F' U F R OLL
U R2' F R U R U' R' F' R U2' R' U2 R U2' PLL