PNG IHDR 0 tEXtTitle PNG plot˥H (tEXtCreation Time 23 May 2012 17:59:08 +0000ߐf (tEXtSoftware GNU libplot drawing library 4.1r IDATx^;v#I9gtRg rz{A-wP)g UeR\84EćS',<xA @ G. @ 8 @ Љfɺ5b<Cb\$6hgR\_䨗ͽn s\=x88hgn)IE@ %