2013-09-12 - Liberty Science Center Open 2012 - reconstruction by Brest
R2 D' L2 U2 B' R F' D' F' U' R' U R D L2 B2 L' F'
x y2 // inspection
U' R y R U2' z' R2 // cross
U3' R U R' // 1st pair
y R U R' U' R U R' U' R U R' // 2nd pair
y U' R' U R U' R' U' R // 3rd pair
R U' R' U' R U' R' U R U' R' // 4th pair
U2' r U R' U R U2' r' // OLL
