[CrossOnLeft] 2017-06-14 - Berlin Summer Cube Days 2017 - reconstruction by Brest
L D R B U' R D R' B U2 D2 B2 L F2 B2 R' D2 B2 L2
x' y' // inspection
U' L' D' x' U R' L' // cross
z' x' R U' R2 U l2' U R U' // 1st pair
x2' x' R2 l' U R U' // 2nd pair
R' l' U R' U' x' R U' R' U // 3rd pair
x2' U' R R' R U R' U' R2 U R' U' R U // 4th pair
z' U2' F U R U' R' F' // OLL
R' U2' R U2' R' F R U R' U' R' F' R2 // PLL
