y2
//
inspection
R U' z U' z' U' R' U' z2'
//
cross
U' R' U R L U L'
//
1st pair
U' z U' R' U z'
//
2nd pair
U' U R U' R' U R U' R'
//
3rd pair
U' y R U' R' y' R' U' R
//
4th pair
U' U' R U y R U' R' U R U' R' y L'
//
OLL
U' z U' R U' R' U' R' U' R U R U' U'
//
PLL