St Etienne moved into the top four of Ligue 1 by beating Bordeaux 4-1 in an incident-packed contest.Les Verts were 2-0 ahead inside seven minutes as Vincent Pajot headed home and Osama Tannane scored his first goal since joining from Dutch club Heracles in January.Cedric Yambere reduced the deficit from a 10th-minute corner, before Bordeaux goalkeeper Paul Bernardoni pushed Alexander Soderlund's penalty on to the post.But Soderlund made amends with a looping header and Nolan Roux wrapped up a convincing victory, before Bordeaux substitute Cheick Diabate was sent off in the final minute.