z // inspection
r' R2 y U' z U2 D2 z' u' U' // XCross (7 STM, 10 ETM), 2.24
x y R' D R z' R' // 2nd pair (4 STM, 7 ETM), 0.76
z R2 x' U' R' // 3rd pair (3 STM, 5 ETM), 1.14
D U R z' R' // 4th pair (4 STM, 5 ETM), 0.43
U' z R' D R D' z' U' z D' F D2 R D' z' U' z x' D' // OLL (13 STM, 19 ETM), 2.17
z' U2 R' U z U' R2 D R' z' R' U2 z D U // PLL (11 STM, 15 ETM), 1.95