PNG IHDR 0 tEXtTitle PNG plot˥H (tEXtCreation Time 23 Mar 2010 20:25:39 +00001 (tEXtSoftware GNU libplot drawing library 4.1r IDATx^c75gcT%cjCek/F!ېLc|$cz"qF `ߟx@ @ G. @ 8 @ ЉWϧOB#X\k,h NH,)0W%:I[]bhv:(\~y^B;~k24i2V< !'dZ]$Qf@`aX yz[1(OSqRCps'#o-/^co'K jURgXKV4A4_q