(http://www.autoadmit.com/thread.php?thread_id=734507&forum_id=3#9053372)
this might help ya. scroll down to page 13 :
http://www.ets.org/Media/Tests/GRE/pdf/994994.pdf(http://www.autoadmit.com/thread.php?thread_id=734507&forum_id=3#9059226)