PNG
IHDR , sBITO )PLTE @@ @ ` @ ` 0`@@@@ ` ```` ` @`` ` ` ``` @@ @` ```@ ` ` `@ @@` `` @ @ @`` ` @@`p 7 ?tEXtSoftware gnuplot version 3.7 patchlevel 2 on Linux 2.4.18-1-686x sIDATx흋v80#CnU$8Rׂ< W#+wүC~<2_lv#ڴ1|sĴ"}>\[s
/\gq+3
g$3 \PL
:vh?-!?-!?-!?-pS,5~=x:{ξ
.<_>} 8g=3g)!Xckr{}9G5;=V\^7<,7?_" l|0
B *B!
B( #
B(NuA{
B(
B(lA@
B(\Pe]hpGU eDVyY
+d
B(o>>^#5!PܙI|"@@0D
Ǭ_{}Iy(Fs#&!`3IڛA0wK)9?pN)
q#
n; |gKgi@ `vn x
0gz9p.6}Af3N@-A@?peK\c)SpeK\WCG a>h*
볾!]A@V!`}аUX4l
[& !/1<7낀B q%2r,.lm'!!UA@0t-@@"~pgA@op(8gkwynіG@_v+l-7[6ߛA
{I=G-th# 5Q{+Ȣ->l!
h#[s,G ^@c{~ցh#{klD[}ޣ_u`#=іG@M(kЇ=rmya{܄F[}#7іG@%:my \#іG@%:my \#іG@=
< WXPOBǢ-z:myбh~HJ#~ WX>vm WXA; WX&gΏro:Y6f_JK0:/BLіxrCe'(<-<([|h#n ʣ-2e'(<-<([|h#n ʣ-%
t<(ih# ʣ-2&(36AyPіG@nG[EMPmyOr&(<p<(mh# ʣ--_.KtSEmyڃA@{"hVcXіGjKs<XaiG[1,yh#`5&(<V#hh#`5&(<V#hh#`5&(<V"lh#`%&(<V"lh#`%&(|GіG AX x,Q40Ay
LPmy