%%Created by jPicEdt 1.4-pre5: mixed JPIC-XML/LaTeX format
%%Thu Aug 03 02:41:34 CEST 2006
%%Begin JPIC-XML
%<?xml version="1.0" standalone="yes"?>
%<jpic x-min="7.84" x-max="72.88" y-min="7.45" y-max="42.5" auto-bounding="true">
%<circle fill-style= "solid"
%	 stroke-width= "0.75"
%	 closure= "plain"
%	 p3= "(32.12,11.76)"
%	 p1= "(28.55,8.26)"
%	 p2= "(28.55,11.76)"
%	 />
%<circle fill-style= "solid"
%	 stroke-width= "0.75"
%	 closure= "plain"
%	 p3= "(52.22,11.7)"
%	 p1= "(48.65,8.2)"
%	 p2= "(48.65,11.7)"
%	 />
%<circle fill-style= "solid"
%	 stroke-width= "0.75"
%	 closure= "plain"
%	 p3= "(72.17,11.75)"
%	 p1= "(68.6,8.25)"
%	 p2= "(68.6,11.75)"
%	 />
%<multicurve fill-style= "none"
%	 stroke-width= "0.75"
%	 points= "(10.26,12.63);(10.26,12.63);(18.42,38.29);(18.42,38.29)"
%	 />
%<multicurve fill-style= "none"
%	 stroke-width= "0.75"
%	 points= "(20.2,37.38);(20.2,37.38);(12.11,12.5);(12.11,12.5)"
%	 />
%<multicurve fill-style= "none"
%	 stroke-width= "0.75"
%	 points= "(22.11,37.89);(22.11,37.89);(28.49,11.99);(28.49,11.99)"
%	 />
%<multicurve fill-style= "none"
%	 stroke-width= "0.75"
%	 points= "(28.88,11.99);(28.88,11.99);(38.03,38.29);(38.03,38.29)"
%	 />
%<multicurve fill-style= "none"
%	 stroke-width= "0.75"
%	 points= "(31.38,13.04);(31.38,13.04);(39.87,37.5);(39.87,37.5)"
%	 />
%<multicurve fill-style= "none"
%	 stroke-width= "0.75"
%	 points= "(32.83,11.2);(32.83,11.2);(42.37,38.03);(42.37,38.03)"
%	 />
%<multicurve fill-style= "none"
%	 stroke-width= "0.75"
%	 points= "(49.08,12.24);(49.08,12.24);(42.5,38.29);(42.5,38.29)"
%	 />
%<multicurve fill-style= "none"
%	 stroke-width= "0.75"
%	 points= "(43.23,40.01);(43.23,40.01);(68.36,11.46);(68.36,11.46)"
%	 />
%<multicurve fill-style= "none"
%	 stroke-width= "0.75"
%	 points= "(33.1,10.93);(33.1,10.93);(58.16,38.55);(58.16,38.55)"
%	 />
%<multicurve fill-style= "none"
%	 stroke-width= "0.75"
%	 points= "(59.47,37.63);(59.47,37.63);(50.66,12.76);(50.66,12.76)"
%	 />
%<multicurve fill-style= "none"
%	 stroke-width= "0.75"
%	 points= "(61.84,37.76);(61.84,37.76);(52.63,11.45);(52.63,11.45)"
%	 />
%<circle fill-style= "solid"
%	 stroke-width= "0.75"
%	 closure= "plain"
%	 p3= "(12.12,11.76)"
%	 p1= "(8.55,8.26)"
%	 p2= "(8.55,11.76)"
%	 />
%<circle fill-style= "none"
%	 stroke-width= "0.75"
%	 closure= "plain"
%	 p3= "(22.05,41.75)"
%	 p1= "(18.48,38.25)"
%	 p2= "(18.48,41.75)"
%	 />
%<circle fill-style= "none"
%	 stroke-width= "0.75"
%	 closure= "plain"
%	 p3= "(42.05,41.75)"
%	 p1= "(38.48,38.25)"
%	 p2= "(38.48,41.75)"
%	 />
%<circle fill-style= "none"
%	 stroke-width= "0.75"
%	 closure= "plain"
%	 p3= "(62.05,41.75)"
%	 p1= "(58.48,38.25)"
%	 p2= "(58.48,41.75)"
%	 />
%<text fill-style= "none"
%	 text-vert-align= "center-v"
%	 anchor-point= "(20.26,40)"
%	 text-hor-align= "center-h"
%	 text-frame= "noframe"
%	 >
%
%</text>
%<text fill-style= "none"
%	 text-vert-align= "center-v"
%	 anchor-point= "(19.26,40)"
%	 text-hor-align= "center-h"
%	 text-frame= "noframe"
%	 >
%
%</text>
%<text fill-style= "none"
%	 text-vert-align= "center-v"
%	 anchor-point= "(20.66,39.74)"
%	 text-hor-align= "center-h"
%	 text-frame= "noframe"
%	 >
%
%</text>
%<text fill-style= "none"
%	 text-vert-align= "center-v"
%	 anchor-point= "(10.26,10)"
%	 text-hor-align= "center-h"
%	 text-frame= "circle"
%	 >
%1
%</text>
%<text fill-style= "none"
%	 text-vert-align= "center-v"
%	 anchor-point= "(10.26,10)"
%	 text-hor-align= "center-h"
%	 text-frame= "rectangle"
%	 >
%1
%</text>
%</jpic>
%%End JPIC-XML
%PSTricks content-type (pstricks.sty package needed)
%Add \usepackage{pstricks} in the preamble of your LaTeX file
%You can rescale the whole picture (to 80% for instance) by using the command \def\JPicScale{0.8}
\ifx\JPicScale\undefined\def\JPicScale{1}\fi
\psset{unit=\JPicScale mm}
\psset{linewidth=0.3,dotsep=1,hatchwidth=0.3,hatchsep=1.5,shadowsize=1,dimen=middle}
\psset{dotsize=0.7 2.5,dotscale=1 1,fillcolor=black}
\psset{arrowsize=1 2,arrowlength=1,arrowinset=0.25,tbarsize=0.7 5,bracketlength=0.15,rbracketlength=0.15}
\begin{pspicture}(0,0)(72.88,42.5)
\rput{0}(30.34,10.01){\psellipse[linewidth=0.75,fillstyle=solid](0,0)(2.5,2.5)}
\rput{0}(50.44,9.95){\psellipse[linewidth=0.75,fillstyle=solid](0,0)(2.5,2.5)}
\rput{0}(70.38,10){\psellipse[linewidth=0.75,fillstyle=solid](0,0)(2.5,2.5)}
\psline[linewidth=0.75](10.26,12.63)(18.42,38.29)
\psline[linewidth=0.75](20.2,37.38)(12.11,12.5)
\psline[linewidth=0.75](22.11,37.89)(28.49,11.99)
\psline[linewidth=0.75](28.88,11.99)(38.03,38.29)
\psline[linewidth=0.75](31.38,13.04)(39.87,37.5)
\psline[linewidth=0.75](32.83,11.2)(42.37,38.03)
\psline[linewidth=0.75](49.08,12.24)(42.5,38.29)
\psline[linewidth=0.75](43.23,40.01)(68.36,11.46)
\psline[linewidth=0.75](33.1,10.93)(58.16,38.55)
\psline[linewidth=0.75](59.47,37.63)(50.66,12.76)
\psline[linewidth=0.75](61.84,37.76)(52.63,11.45)
\rput{0}(10.34,10.01){\psellipse[linewidth=0.75,fillstyle=solid](0,0)(2.5,2.5)}
\rput{0}(20.26,40){\psellipse[linewidth=0.75](0,0)(2.5,2.5)}
\rput{0}(40.27,40){\psellipse[linewidth=0.75](0,0)(2.5,2.5)}
\rput{0}(60.26,40){\psellipse[linewidth=0.75](0,0)(2.5,2.5)}
\rput(20.26,40){}
\rput(19.26,40){}
\rput(20.66,39.74){}
\rput(0,0){\rput(10.26,10){\pscirclebox[]{1}}}
\rput(0,0){\rput(10.26,10){\psframebox[]{1}}}
\end{pspicture}