2014-01-15 - Harvard Spring 2012 - reconstruction by Brest
L' U2 F2 L' R2 U' B L' R2 B' F U R2 F D' L2 F2 L
y x2 // inspection
R' D x L2 x' F' R' D2 // cross
L' U L U' y' R U' R' // 1st pair
R' U' R U F U F' // 2nd pair
R' U2 R U2' R' U R // 3rd pair
y U2 R' U' R U2 R' U' R U R' U' R // 4th pair
r' U2 R U R' U r // OLL
x z2 R2' D2 R U R' D2 R U' R // PLL
