2013-09-04 - Harvard Spring 2013 - reconstruction by Brest
D2 L2 D2 F R2 D2 F2 R2 F L2 R B' D' U2 L' B2 U' F R D
x' y' // inspection
r' U' r' D2' L R' D // cross
R U' R' U' L' U' L // 1st pair
y R U2' R' U' R U R' // 2nd pair
y U2 R U' R' L U' L' // 3rd pair
U R U' R' y' U2 R' U' R // 4th pair
U' R U R' U' R' F R2 U R' U' F' // OLL
y' U' R U' R U R U R U' R' U' R2 // PLL
