2019-10-06 - Altona Algorithms 2019 - reconstruction by Stewy
D F2 U' B2 L2 R2 D R2 F2 U' B2 R2 U L' U F' D2 L' F D B' D2
R' U R' F // partial cross
U' R U R' L' U L // 1st pair
U' R' U' R U R' U2' // 2nd pair
R2 U' R' U R U' R' d U R' F R // 3rd pair+finish cross
y' R U' R' U R' F R F' R U' R' U R U' R' // 4th pair
U2 R U' R2' D' r U2 r' D R2 U R' U' // ZBLL
