PNG IHDR , sBITO )PLTE @@ @ ` @ ` 0`@@@@ ` ```` ` @`` ` ` ``` @@ @` ```@ ` ` `@ @@` `` @ @ @`` ` @@`p 7 ?tEXtSoftware gnuplot version 3.7 patchlevel 2 on Linux 2.4.18-1-686x IDATx흋8$0XF2{fV $= ǺjHc 3<˓GI6J'_};ZZ?LG3M5g|ȟ/ӕsEdJX?wϏx0$B.0Wٮ[nG۹ kx͛H3$X\j엋k }r>x]ias~j-'˦;K&òTe ~Ϲe-- $T!`_wnqΖˇ%!l h?|1;[,/B|ģZJJV 8]'# XX/ /}.C@!P$_ )'e"}y>aaoXilk N.?L{W/OZz3[^/-nlϓc/d T܂y[l|8]3φ!rb型st|V6gvv\_:/?6 B( B( B( B( B( B( B( B(Ux_@@! xBA@!"> @@!Pr=$D@0 B(<"A@!P8bBA@!nW[PB( 'ZE_@@!P&Ŏ~A@p!PtR% !PB9'I)-j@7N"} 8{+S;2܆sWB70qb|{ S/qGE5#_yB( 9y,` {(ktvбQ