2018-04-07 - unofficial - reconstruction by Hagen Seah
U2 F2 D' F2 L2 B2 U F2 D R2 U R U2 B' R2 D B' R' F R' F2
x' y2 // inspection
R2 D' R' // cross
(D U') L' U L y' U R U R' D' // 1st / 2nd pairs
y U2 R' U2 R2 U R2' // 3rd pair
U2 R U R' U' R // 4th pair
U R' U' R U' R' U2 R // OLL
R' U' F' R U R' U' R' F R2 U' R' U' R U R' U R // PLL
