OLL 31 algorithm: Couch
OLL (orient the last layer). Group: P shapes.
OLL 31, Couch: yellow stickers on the top face: back edge, back-right corner, centre, right edge, front-right corner. Yellow stickers on the sides: back face, left, front face, left, front face, centre, left face, middle.
The diagram shows the cube from above with the front at the bottom and yellow on top.
Algorithm
R' U' F U R U' R' F' R
9 moves.
Other algorithms
y2 S' L' U' L U L F' L' fy S R U R' U' f' U' Fy' F R' F' R U R U R' U' R U' R'
Source: www.speedcubedb.com