x' y2 // inspection
D R2 U2 x' D z U' z D z' U // XCross (7 STM, 11 ETM), 2.26
D R' D' z' R' U R // 2nd pair (6 STM, 7 ETM), 0.83
U z' x z R' U2 R U' R' U R // 3rd pair (8 STM, 11 ETM), 1.26
U2 z x' D R D' z' U2 R U' R' // 4th pair (8 STM, 11 ETM), 1.23
U R' U' R' x y d R U' x' U R // OLL (9 STM, 12 ETM), 1.20
U z D' R' F' D R z' R' U' z D' F D2 R' z' R' U' R U R' U R U2 // PLL (20 STM, 24 ETM), 4.54