x y' // inspection
U' R2' F R D L D R2' // cross
y U R' U' R // 1st pair
U L' U L U' R U R' // 2nd pair
y' U R U' R' U' F U' F' // 3rd pair
y U L' U L2 F' L' F // 4th pair
U U U r' U' R U' R' U R U' R' U U r // OLL
U U' F R U' R' U' R U R' F' R U R' U' R' F R F' U // PLL