This article's lead sectionmay be too short to adequately summarize the key points. Please consider expanding the lead to provide an accessible overview of all important aspects of the article.(September 2012)
The five winners and 3 seconds placed of the previous round were drawn into five group matches. The winners on aggregate advanced to the next round. The first leg were played on 20 February, the second leg were played on 6 March 2012.