OLL 13

http://www.speedsolving.com/wiki/images/3/3f/O13.gif

OLL F U R U' R2 F' R U R U' R'
OLL F U R U2 R' U' R U R' F'
OLL r U' r' U' r U r' y' R' U R
OLL y2 x' R U' R' F' R U R' x y R' U R
OLL y2 f R U R2 U' R' U R U' f'