<?xml version="1.0" encoding="utf-8"?>
<!-- Pappus graph.  Colored to show various circuits -->
<!-- R. A. Nonenmacher.  15-Aug-2008                 -->
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
                     "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
<svg version     = "1.1"
     id          = "Pappus_Graph"
     xmlns       = "http://www.w3.org/2000/svg"
     xmlns:xlink = "http://www.w3.org/1999/xlink"
     width       = "790"
     height      = "780">
<g fill="none">
   <polygon stroke="#000" stroke-width="5" points="330,760  208,715  108,632   43,519   20,390   43,262
                                                   108,149  208, 65  330, 20  460,20   583, 65  682,149
                                                   747,262  770,390  747,519  682,632  583,715  460,760"/>
   <polygon stroke="#666" stroke-width="3" points="330,760  208,715  108,632   43,519   20,390   43,262
                                                   108,149  208, 65  330, 20  460,20   583, 65  682,149
                                                   747,262  770,390  747,519  682,632  583,715  460,760"/>          
   <polygon stroke="#000" stroke-width="5" points="108,632  460, 20  330, 20  682,632  747,519   43,519"/>
   <polygon stroke="#c00" stroke-width="3" points="108,632  460, 20  330, 20  682,632  747,519   43,519"/>
   <polygon stroke="#000" stroke-width="5" points=" 20,390  682,149  583, 65  460,760  583,715   43,262"/>
   <polygon stroke="#0a0" stroke-width="3" points=" 20,390  682,149  583, 65  460,760  583,715   43,262"/>
   <polygon stroke="#000" stroke-width="5" points="108,149  208, 65  747,262  770,390  330,760  208,715"/>
   <polygon stroke="#66f" stroke-width="3" points="108,149  208, 65  747,262  770,390  330,760  208,715"/>
</g>
<g stroke="#000" stroke-width="2">
   <g fill="#c00">
      <circle cx="108" cy="632" r="10"/> <circle cx="460" cy=" 20" r="10"/>
      <circle cx="330" cy=" 20" r="10"/> <circle cx="682" cy="632" r="10"/>
      <circle cx="747" cy="519" r="10"/> <circle cx=" 43" cy="519" r="10"/>
   </g>
   <g fill="#0a0">
      <circle cx=" 20" cy="390" r="10"/> <circle cx="682" cy="149" r="10"/>
      <circle cx="583" cy=" 65" r="10"/> <circle cx="460" cy="760" r="10"/>
      <circle cx="583" cy="715" r="10"/> <circle cx=" 43" cy="262" r="10"/>
   </g>
   <g fill="#66f">
      <circle cx="108" cy="149" r="10"/> <circle cx="208" cy=" 65" r="10"/>
      <circle cx="747" cy="262" r="10"/> <circle cx="770" cy="390" r="10"/>
      <circle cx="330" cy="760" r="10"/> <circle cx="208" cy="715" r="10"/>
   </g>
</g>
</svg>