2019-10-06 - Altona Algorithms 2019 - reconstruction by Stewy
F2 L B2 L B2 R U2 B2 L2 R' B2 R D L2 U2 B' U' B' L B' L2 R'
D R' U D' // cross
R' U' R2 U2' R' // 1st pair
U R' U R U' R' U R // 2nd pair
y' R U' R' U' L' U' L // 3rd pair
U y' U R' U2' R U' U' R' U2 R // 4th pair / WVLS
y' x' R U' R' D R U R' D' R U R' D R U' R' D' // PLL
