The Perl Toolchain Summit needs more sponsors. If your company depends on Perl, please support this very important event.
RSAVAGE / GraphViz2-Marpa-2.08 / xt / author / html / sl_circle_dbl.svg 
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
 "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
<!-- Generated by graphviz version 2.38.0 (20140413.2041)
 -->
<!-- Title: G Pages: 1 -->
<svg width="379pt" height="2300pt"
 viewBox="0.00 0.00 378.79 2299.66" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g id="graph0" class="graph" transform="scale(1 1) rotate(0) translate(4 2295.66)">
<title>G</title>
<polygon fill="white" stroke="none" points="-4,4 -4,-2295.66 374.794,-2295.66 374.794,4 -4,4"/>
<text text-anchor="middle" x="185.397" y="-7.8" font-family="Times,serif" font-size="14.00">SelfLeft</text>
<!-- node11 -->
<g id="node1" class="node"><title>node11</title>
<ellipse fill="none" stroke="black" cx="334.397" cy="-2255.27" rx="36.2938" ry="36.2938"/>
<text text-anchor="middle" x="334.397" y="-2251.57" font-family="Times,serif" font-size="14.00">node11</text>
</g>
<!-- node11&#45;&gt;node11 -->
<g id="edge1" class="edge"><title>node11:nw&#45;&gt;node11:nw</title>
<path fill="none" stroke="black" d="M308.397,-2281.27C292,-2288.02 280,-2288.02 280,-2281.27 280,-2275.94 287.471,-2274.82 298.679,-2277.9"/>
<polygon fill="black" stroke="black" points="297.802,-2281.3 308.397,-2281.27 300.096,-2274.68 297.802,-2281.3"/>
<text text-anchor="middle" x="210" y="-2251.57" font-family="Times,serif" font-size="14.00">tailport=nw headport=nw</text>
</g>
<!-- node11&#45;&gt;node11 -->
<g id="edge2" class="edge"><title>node11:nw&#45;&gt;node11:nw</title>
<path fill="none" stroke="black" d="M308.397,-2281.27C286,-2294.77 140,-2294.77 140,-2281.27 140,-2269.06 259.392,-2267.89 298.806,-2277.76"/>
<polygon fill="black" stroke="black" points="297.803,-2281.12 308.397,-2281.27 300.206,-2274.55 297.803,-2281.12"/>
<text text-anchor="middle" x="70" y="-2251.57" font-family="Times,serif" font-size="14.00">tailport=nw headport=nw</text>
</g>
<!-- node12 -->
<g id="node2" class="node"><title>node12</title>
<ellipse fill="none" stroke="black" cx="334.397" cy="-2145.47" rx="36.2938" ry="36.2938"/>
<text text-anchor="middle" x="334.397" y="-2141.77" font-family="Times,serif" font-size="14.00">node12</text>
</g>
<!-- node11&#45;&gt;node12 -->
<g id="edge3" class="edge"><title>node11&#45;&gt;node12</title>
<path fill="none" stroke="black" d="M334.397,-2218.67C334.397,-2210.21 334.397,-2201.06 334.397,-2192.22"/>
<polygon fill="black" stroke="black" points="337.897,-2192.03 334.397,-2182.03 330.897,-2192.03 337.897,-2192.03"/>
</g>
<!-- node12&#45;&gt;node12 -->
<g id="edge4" class="edge"><title>node12:nw&#45;&gt;node12:n</title>
<path fill="none" stroke="black" d="M308.397,-2171.47C292,-2164.72 280,-2164.72 280,-2176.97 280,-2187.26 305.579,-2188.91 324.513,-2185.18"/>
<polygon fill="black" stroke="black" points="325.673,-2188.49 334.397,-2182.47 323.828,-2181.73 325.673,-2188.49"/>
<text text-anchor="middle" x="215" y="-2141.77" font-family="Times,serif" font-size="14.00">tailport=nw headport=n</text>
</g>
<!-- node12&#45;&gt;node12 -->
<g id="edge5" class="edge"><title>node12:nw&#45;&gt;node12:n</title>
<path fill="none" stroke="black" d="M308.397,-2171.47C286,-2157.97 150,-2157.97 150,-2176.97 150,-2194.27 282.761,-2195.82 324.811,-2185.78"/>
<polygon fill="black" stroke="black" points="326.085,-2189.04 334.397,-2182.47 323.802,-2182.43 326.085,-2189.04"/>
<text text-anchor="middle" x="85" y="-2141.77" font-family="Times,serif" font-size="14.00">tailport=nw headport=n</text>
</g>
<!-- node16 -->
<g id="node3" class="node"><title>node16</title>
<ellipse fill="none" stroke="black" cx="334.397" cy="-2035.68" rx="36.2938" ry="36.2938"/>
<text text-anchor="middle" x="334.397" y="-2031.98" font-family="Times,serif" font-size="14.00">node16</text>
</g>
<!-- node12&#45;&gt;node16 -->
<g id="edge6" class="edge"><title>node12&#45;&gt;node16</title>
<path fill="none" stroke="black" d="M334.397,-2108.88C334.397,-2100.42 334.397,-2091.27 334.397,-2082.43"/>
<polygon fill="black" stroke="black" points="337.897,-2082.24 334.397,-2072.24 330.897,-2082.24 337.897,-2082.24"/>
</g>
<!-- node16&#45;&gt;node16 -->
<g id="edge7" class="edge"><title>node16:nw&#45;&gt;node16:s</title>
<path fill="none" stroke="black" d="M308.397,-2061.68C292,-2068.43 280,-2068.43 280,-2030.18 280,-1998.06 305.579,-1992.91 324.513,-1996.09"/>
<polygon fill="black" stroke="black" points="323.836,-1999.53 334.397,-1998.68 325.613,-1992.76 323.836,-1999.53"/>
<text text-anchor="middle" x="215.5" y="-2031.98" font-family="Times,serif" font-size="14.00">tailport=nw headport=s</text>
</g>
<!-- node16&#45;&gt;node16 -->
<g id="edge8" class="edge"><title>node16:nw&#45;&gt;node16:s</title>
<path fill="none" stroke="black" d="M308.397,-2061.68C286,-2075.18 151,-2075.18 151,-2030.18 151,-1989.22 282.932,-1985.54 324.834,-1995.39"/>
<polygon fill="black" stroke="black" points="323.802,-1998.74 334.397,-1998.68 326.079,-1992.12 323.802,-1998.74"/>
<text text-anchor="middle" x="86.5" y="-2031.98" font-family="Times,serif" font-size="14.00">tailport=nw headport=s</text>
</g>
<!-- node17 -->
<g id="node4" class="node"><title>node17</title>
<ellipse fill="none" stroke="black" cx="334.397" cy="-1925.89" rx="36.2938" ry="36.2938"/>
<text text-anchor="middle" x="334.397" y="-1922.19" font-family="Times,serif" font-size="14.00">node17</text>
</g>
<!-- node16&#45;&gt;node17 -->
<g id="edge9" class="edge"><title>node16&#45;&gt;node17</title>
<path fill="none" stroke="black" d="M334.397,-1999.09C334.397,-1990.62 334.397,-1981.48 334.397,-1972.63"/>
<polygon fill="black" stroke="black" points="337.897,-1972.44 334.397,-1962.44 330.897,-1972.44 337.897,-1972.44"/>
</g>
<!-- node17&#45;&gt;node17 -->
<g id="edge10" class="edge"><title>node17:nw&#45;&gt;node17:sw</title>
<path fill="none" stroke="black" d="M308.397,-1951.89C292,-1958.64 280,-1958.64 280,-1925.89 280,-1900.05 287.471,-1894.59 298.679,-1896.76"/>
<polygon fill="black" stroke="black" points="297.805,-1900.16 308.397,-1899.89 299.949,-1893.49 297.805,-1900.16"/>
<text text-anchor="middle" x="210.5" y="-1922.19" font-family="Times,serif" font-size="14.00">tailport=nw headport=sw</text>
</g>
<!-- node17&#45;&gt;node17 -->
<g id="edge11" class="edge"><title>node17:nw&#45;&gt;node17:sw</title>
<path fill="none" stroke="black" d="M308.397,-1951.89C286,-1965.39 141,-1965.39 141,-1925.89 141,-1890.17 259.574,-1886.75 298.832,-1896.4"/>
<polygon fill="black" stroke="black" points="297.803,-1899.75 308.397,-1899.89 300.198,-1893.18 297.803,-1899.75"/>
<text text-anchor="middle" x="71.5" y="-1922.19" font-family="Times,serif" font-size="14.00">tailport=nw headport=sw</text>
</g>
<!-- node18 -->
<g id="node5" class="node"><title>node18</title>
<ellipse fill="none" stroke="black" cx="334.397" cy="-1816.09" rx="36.2938" ry="36.2938"/>
<text text-anchor="middle" x="334.397" y="-1812.39" font-family="Times,serif" font-size="14.00">node18</text>
</g>
<!-- node17&#45;&gt;node18 -->
<g id="edge12" class="edge"><title>node17&#45;&gt;node18</title>
<path fill="none" stroke="black" d="M334.397,-1889.29C334.397,-1880.83 334.397,-1871.68 334.397,-1862.84"/>
<polygon fill="black" stroke="black" points="337.897,-1862.65 334.397,-1852.65 330.897,-1862.65 337.897,-1862.65"/>
</g>
<!-- node18&#45;&gt;node18 -->
<g id="edge13" class="edge"><title>node18:nw&#45;&gt;node18:w</title>
<path fill="none" stroke="black" d="M308.397,-1842.09C292,-1848.84 280,-1848.84 280,-1829.09 280,-1817.98 283.797,-1813.12 288.08,-1812.2"/>
<polygon fill="black" stroke="black" points="286.821,-1815.47 297.397,-1816.09 289.52,-1809.01 286.821,-1815.47"/>
<text text-anchor="middle" x="213.5" y="-1812.39" font-family="Times,serif" font-size="14.00">tailport=nw headport=w</text>
</g>
<!-- node18&#45;&gt;node18 -->
<g id="edge14" class="edge"><title>node18:nw&#45;&gt;node18:w</title>
<path fill="none" stroke="black" d="M308.397,-1842.09C286,-1855.59 147,-1855.59 147,-1829.09 147,-1805.8 254.374,-1802.98 288.117,-1811.81"/>
<polygon fill="black" stroke="black" points="286.851,-1815.08 297.397,-1816.09 289.787,-1808.72 286.851,-1815.08"/>
<text text-anchor="middle" x="80.5" y="-1812.39" font-family="Times,serif" font-size="14.00">tailport=nw headport=w</text>
</g>
<!-- node21 -->
<g id="node6" class="node"><title>node21</title>
<ellipse fill="none" stroke="black" cx="334.397" cy="-1706.3" rx="36.2938" ry="36.2938"/>
<text text-anchor="middle" x="334.397" y="-1702.6" font-family="Times,serif" font-size="14.00">node21</text>
</g>
<!-- node18&#45;&gt;node21 -->
<g id="edge15" class="edge"><title>node18&#45;&gt;node21</title>
<path fill="none" stroke="black" d="M334.397,-1779.5C334.397,-1771.04 334.397,-1761.89 334.397,-1753.04"/>
<polygon fill="black" stroke="black" points="337.897,-1752.86 334.397,-1742.86 330.897,-1752.86 337.897,-1752.86"/>
</g>
<!-- node21&#45;&gt;node21 -->
<g id="edge16" class="edge"><title>node21:n&#45;&gt;node21:nw</title>
<path fill="none" stroke="black" d="M334.397,-1743.3C316.265,-1750.05 280,-1750.05 280,-1737.8 280,-1728.13 287.471,-1726.09 298.679,-1728.98"/>
<polygon fill="black" stroke="black" points="297.802,-1732.38 308.397,-1732.3 300.065,-1725.76 297.802,-1732.38"/>
<text text-anchor="middle" x="215" y="-1702.6" font-family="Times,serif" font-size="14.00">tailport=n headport=nw</text>
</g>
<!-- node21&#45;&gt;node21 -->
<g id="edge17" class="edge"><title>node21:n&#45;&gt;node21:nw</title>
<path fill="none" stroke="black" d="M334.397,-1743.3C310.265,-1756.8 150,-1756.8 150,-1737.8 150,-1720.66 260.734,-1718.98 298.817,-1728.74"/>
<polygon fill="black" stroke="black" points="297.804,-1732.09 308.397,-1732.3 300.245,-1725.53 297.804,-1732.09"/>
<text text-anchor="middle" x="85" y="-1702.6" font-family="Times,serif" font-size="14.00">tailport=n headport=nw</text>
</g>
<!-- node27 -->
<g id="node7" class="node"><title>node27</title>
<ellipse fill="none" stroke="black" cx="334.397" cy="-1596.51" rx="36.2938" ry="36.2938"/>
<text text-anchor="middle" x="334.397" y="-1592.81" font-family="Times,serif" font-size="14.00">node27</text>
</g>
<!-- node21&#45;&gt;node27 -->
<g id="edge18" class="edge"><title>node21&#45;&gt;node27</title>
<path fill="none" stroke="black" d="M334.397,-1669.71C334.397,-1661.24 334.397,-1652.1 334.397,-1643.25"/>
<polygon fill="black" stroke="black" points="337.897,-1643.06 334.397,-1633.06 330.897,-1643.06 337.897,-1643.06"/>
</g>
<!-- node27&#45;&gt;node27 -->
<g id="edge19" class="edge"><title>node27:n&#45;&gt;node27:sw</title>
<path fill="none" stroke="black" d="M334.397,-1633.51C316.265,-1640.26 280,-1640.26 280,-1602.01 280,-1571.82 287.471,-1565.46 298.679,-1567.43"/>
<polygon fill="black" stroke="black" points="297.807,-1570.83 308.397,-1570.51 299.919,-1564.15 297.807,-1570.83"/>
<text text-anchor="middle" x="215.5" y="-1592.81" font-family="Times,serif" font-size="14.00">tailport=n headport=sw</text>
</g>
<!-- node27&#45;&gt;node27 -->
<g id="edge20" class="edge"><title>node27:n&#45;&gt;node27:sw</title>
<path fill="none" stroke="black" d="M334.397,-1633.51C310.265,-1647.01 151,-1647.01 151,-1602.01 151,-1561.4 260.92,-1557.44 298.844,-1566.97"/>
<polygon fill="black" stroke="black" points="297.804,-1570.31 308.397,-1570.51 300.236,-1563.75 297.804,-1570.31"/>
<text text-anchor="middle" x="86.5" y="-1592.81" font-family="Times,serif" font-size="14.00">tailport=n headport=sw</text>
</g>
<!-- node28 -->
<g id="node8" class="node"><title>node28</title>
<ellipse fill="none" stroke="black" cx="334.397" cy="-1486.71" rx="36.2938" ry="36.2938"/>
<text text-anchor="middle" x="334.397" y="-1483.01" font-family="Times,serif" font-size="14.00">node28</text>
</g>
<!-- node27&#45;&gt;node28 -->
<g id="edge21" class="edge"><title>node27&#45;&gt;node28</title>
<path fill="none" stroke="black" d="M334.397,-1559.91C334.397,-1551.45 334.397,-1542.3 334.397,-1533.46"/>
<polygon fill="black" stroke="black" points="337.897,-1533.27 334.397,-1523.27 330.897,-1533.27 337.897,-1533.27"/>
</g>
<!-- node28&#45;&gt;node28 -->
<g id="edge22" class="edge"><title>node28:n&#45;&gt;node28:w</title>
<path fill="none" stroke="black" d="M334.397,-1523.71C316.265,-1530.46 280,-1530.46 280,-1505.21 280,-1491.4 283.589,-1485.15 287.724,-1483.42"/>
<polygon fill="black" stroke="black" points="286.802,-1486.8 297.397,-1486.71 289.061,-1480.17 286.802,-1486.8"/>
<text text-anchor="middle" x="218" y="-1483.01" font-family="Times,serif" font-size="14.00">tailport=n headport=w</text>
</g>
<!-- node28&#45;&gt;node28 -->
<g id="edge23" class="edge"><title>node28:n&#45;&gt;node28:w</title>
<path fill="none" stroke="black" d="M334.397,-1523.71C310.265,-1537.21 156,-1537.21 156,-1505.21 156,-1477.21 255.531,-1473.71 288.049,-1482.32"/>
<polygon fill="black" stroke="black" points="286.858,-1485.63 297.397,-1486.71 289.835,-1479.29 286.858,-1485.63"/>
<text text-anchor="middle" x="94" y="-1483.01" font-family="Times,serif" font-size="14.00">tailport=n headport=w</text>
</g>
<!-- node61 -->
<g id="node9" class="node"><title>node61</title>
<ellipse fill="none" stroke="black" cx="334.397" cy="-1376.92" rx="36.2938" ry="36.2938"/>
<text text-anchor="middle" x="334.397" y="-1373.22" font-family="Times,serif" font-size="14.00">node61</text>
</g>
<!-- node28&#45;&gt;node61 -->
<g id="edge24" class="edge"><title>node28&#45;&gt;node61</title>
<path fill="none" stroke="black" d="M334.397,-1450.12C334.397,-1441.66 334.397,-1432.51 334.397,-1423.66"/>
<polygon fill="black" stroke="black" points="337.897,-1423.48 334.397,-1413.48 330.897,-1423.48 337.897,-1423.48"/>
</g>
<!-- node61&#45;&gt;node61 -->
<g id="edge25" class="edge"><title>node61:s&#45;&gt;node61:nw</title>
<path fill="none" stroke="black" d="M334.397,-1339.92C316.265,-1333.17 280,-1333.17 280,-1371.42 280,-1401.6 287.471,-1407.97 298.679,-1405.99"/>
<polygon fill="black" stroke="black" points="299.919,-1409.27 308.397,-1402.92 297.807,-1402.6 299.919,-1409.27"/>
<text text-anchor="middle" x="215.5" y="-1373.22" font-family="Times,serif" font-size="14.00">tailport=s headport=nw</text>
</g>
<!-- node61&#45;&gt;node61 -->
<g id="edge26" class="edge"><title>node61:s&#45;&gt;node61:nw</title>
<path fill="none" stroke="black" d="M334.397,-1339.92C310.265,-1326.42 151,-1326.42 151,-1371.42 151,-1412.02 260.92,-1415.99 298.844,-1406.46"/>
<polygon fill="black" stroke="black" points="300.236,-1409.68 308.397,-1402.92 297.804,-1403.11 300.236,-1409.68"/>
<text text-anchor="middle" x="86.5" y="-1373.22" font-family="Times,serif" font-size="14.00">tailport=s headport=nw</text>
</g>
<!-- node67 -->
<g id="node10" class="node"><title>node67</title>
<ellipse fill="none" stroke="black" cx="334.397" cy="-1267.13" rx="36.2938" ry="36.2938"/>
<text text-anchor="middle" x="334.397" y="-1263.43" font-family="Times,serif" font-size="14.00">node67</text>
</g>
<!-- node61&#45;&gt;node67 -->
<g id="edge27" class="edge"><title>node61&#45;&gt;node67</title>
<path fill="none" stroke="black" d="M334.397,-1340.32C334.397,-1331.86 334.397,-1322.72 334.397,-1313.87"/>
<polygon fill="black" stroke="black" points="337.897,-1313.68 334.397,-1303.68 330.897,-1313.68 337.897,-1313.68"/>
</g>
<!-- node67&#45;&gt;node67 -->
<g id="edge28" class="edge"><title>node67:s&#45;&gt;node67:sw</title>
<path fill="none" stroke="black" d="M334.397,-1230.13C316.265,-1223.38 280,-1223.38 280,-1235.63 280,-1245.29 287.471,-1247.33 298.679,-1244.44"/>
<polygon fill="black" stroke="black" points="300.065,-1247.67 308.397,-1241.13 297.802,-1241.05 300.065,-1247.67"/>
<text text-anchor="middle" x="216.5" y="-1263.43" font-family="Times,serif" font-size="14.00">tailport=s headport=sw</text>
</g>
<!-- node67&#45;&gt;node67 -->
<g id="edge29" class="edge"><title>node67:s&#45;&gt;node67:sw</title>
<path fill="none" stroke="black" d="M334.397,-1230.13C310.265,-1216.63 153,-1216.63 153,-1235.63 153,-1252.77 261.292,-1254.44 298.898,-1244.69"/>
<polygon fill="black" stroke="black" points="300.263,-1247.92 308.397,-1241.13 297.805,-1241.36 300.263,-1247.92"/>
<text text-anchor="middle" x="89.5" y="-1263.43" font-family="Times,serif" font-size="14.00">tailport=s headport=sw</text>
</g>
<!-- node68 -->
<g id="node11" class="node"><title>node68</title>
<ellipse fill="none" stroke="black" cx="334.397" cy="-1157.33" rx="36.2938" ry="36.2938"/>
<text text-anchor="middle" x="334.397" y="-1153.63" font-family="Times,serif" font-size="14.00">node68</text>
</g>
<!-- node67&#45;&gt;node68 -->
<g id="edge30" class="edge"><title>node67&#45;&gt;node68</title>
<path fill="none" stroke="black" d="M334.397,-1230.53C334.397,-1222.07 334.397,-1212.92 334.397,-1204.08"/>
<polygon fill="black" stroke="black" points="337.897,-1203.89 334.397,-1193.89 330.897,-1203.89 337.897,-1203.89"/>
</g>
<!-- node68&#45;&gt;node68 -->
<g id="edge31" class="edge"><title>node68:s&#45;&gt;node68:w</title>
<path fill="none" stroke="black" d="M334.397,-1120.33C316.265,-1113.58 280,-1113.58 280,-1138.83 280,-1152.64 283.589,-1158.9 287.724,-1160.63"/>
<polygon fill="black" stroke="black" points="289.061,-1163.87 297.397,-1157.33 286.802,-1157.25 289.061,-1163.87"/>
<text text-anchor="middle" x="219" y="-1153.63" font-family="Times,serif" font-size="14.00">tailport=s headport=w</text>
</g>
<!-- node68&#45;&gt;node68 -->
<g id="edge32" class="edge"><title>node68:s&#45;&gt;node68:w</title>
<path fill="none" stroke="black" d="M334.397,-1120.33C310.265,-1106.83 158,-1106.83 158,-1138.83 158,-1166.83 256,-1170.33 288.135,-1161.73"/>
<polygon fill="black" stroke="black" points="289.862,-1164.78 297.397,-1157.33 286.862,-1158.46 289.862,-1164.78"/>
<text text-anchor="middle" x="97" y="-1153.63" font-family="Times,serif" font-size="14.00">tailport=s headport=w</text>
</g>
<!-- node71 -->
<g id="node12" class="node"><title>node71</title>
<ellipse fill="none" stroke="black" cx="334.397" cy="-1047.54" rx="36.2938" ry="36.2938"/>
<text text-anchor="middle" x="334.397" y="-1043.84" font-family="Times,serif" font-size="14.00">node71</text>
</g>
<!-- node68&#45;&gt;node71 -->
<g id="edge33" class="edge"><title>node68&#45;&gt;node71</title>
<path fill="none" stroke="black" d="M334.397,-1120.74C334.397,-1112.28 334.397,-1103.13 334.397,-1094.28"/>
<polygon fill="black" stroke="black" points="337.897,-1094.1 334.397,-1084.1 330.897,-1094.1 337.897,-1094.1"/>
</g>
<!-- node71&#45;&gt;node71 -->
<g id="edge34" class="edge"><title>node71:sw&#45;&gt;node71:nw</title>
<path fill="none" stroke="black" d="M308.397,-1021.54C292,-1014.79 280,-1014.79 280,-1047.54 280,-1073.38 287.471,-1078.83 298.679,-1076.67"/>
<polygon fill="black" stroke="black" points="299.949,-1079.93 308.397,-1073.54 297.805,-1073.27 299.949,-1079.93"/>
<text text-anchor="middle" x="210.5" y="-1043.84" font-family="Times,serif" font-size="14.00">tailport=sw headport=nw</text>
</g>
<!-- node71&#45;&gt;node71 -->
<g id="edge35" class="edge"><title>node71:sw&#45;&gt;node71:nw</title>
<path fill="none" stroke="black" d="M308.397,-1021.54C286,-1008.04 141,-1008.04 141,-1047.54 141,-1083.26 259.574,-1086.68 298.832,-1077.02"/>
<polygon fill="black" stroke="black" points="300.198,-1080.25 308.397,-1073.54 297.803,-1073.67 300.198,-1080.25"/>
<text text-anchor="middle" x="71.5" y="-1043.84" font-family="Times,serif" font-size="14.00">tailport=sw headport=nw</text>
</g>
<!-- node72 -->
<g id="node13" class="node"><title>node72</title>
<ellipse fill="none" stroke="black" cx="334.397" cy="-937.745" rx="36.2938" ry="36.2938"/>
<text text-anchor="middle" x="334.397" y="-934.045" font-family="Times,serif" font-size="14.00">node72</text>
</g>
<!-- node71&#45;&gt;node72 -->
<g id="edge36" class="edge"><title>node71&#45;&gt;node72</title>
<path fill="none" stroke="black" d="M334.397,-1010.94C334.397,-1002.48 334.397,-993.336 334.397,-984.49"/>
<polygon fill="black" stroke="black" points="337.897,-984.302 334.397,-974.302 330.897,-984.302 337.897,-984.302"/>
</g>
<!-- node72&#45;&gt;node72 -->
<g id="edge37" class="edge"><title>node72:sw&#45;&gt;node72:n</title>
<path fill="none" stroke="black" d="M308.397,-911.745C292,-904.995 280,-904.995 280,-943.245 280,-975.369 305.579,-980.514 324.513,-977.339"/>
<polygon fill="black" stroke="black" points="325.613,-980.669 334.397,-974.745 323.836,-973.899 325.613,-980.669"/>
<text text-anchor="middle" x="215.5" y="-934.045" font-family="Times,serif" font-size="14.00">tailport=sw headport=n</text>
</g>
<!-- node72&#45;&gt;node72 -->
<g id="edge38" class="edge"><title>node72:sw&#45;&gt;node72:n</title>
<path fill="none" stroke="black" d="M308.397,-911.745C286,-898.245 151,-898.245 151,-943.245 151,-984.202 282.932,-987.882 324.834,-978.034"/>
<polygon fill="black" stroke="black" points="326.079,-981.307 334.397,-974.745 323.802,-974.688 326.079,-981.307"/>
<text text-anchor="middle" x="86.5" y="-934.045" font-family="Times,serif" font-size="14.00">tailport=sw headport=n</text>
</g>
<!-- node76 -->
<g id="node14" class="node"><title>node76</title>
<ellipse fill="none" stroke="black" cx="334.397" cy="-827.952" rx="36.2938" ry="36.2938"/>
<text text-anchor="middle" x="334.397" y="-824.252" font-family="Times,serif" font-size="14.00">node76</text>
</g>
<!-- node72&#45;&gt;node76 -->
<g id="edge39" class="edge"><title>node72&#45;&gt;node76</title>
<path fill="none" stroke="black" d="M334.397,-901.151C334.397,-892.688 334.397,-883.542 334.397,-874.696"/>
<polygon fill="black" stroke="black" points="337.897,-874.509 334.397,-864.509 330.897,-874.509 337.897,-874.509"/>
</g>
<!-- node76&#45;&gt;node76 -->
<g id="edge40" class="edge"><title>node76:sw&#45;&gt;node76:s</title>
<path fill="none" stroke="black" d="M308.397,-801.952C292,-808.702 280,-808.702 280,-796.452 280,-786.163 305.579,-784.516 324.513,-788.25"/>
<polygon fill="black" stroke="black" points="323.828,-791.691 334.397,-790.952 325.673,-784.939 323.828,-791.691"/>
<text text-anchor="middle" x="216.5" y="-824.252" font-family="Times,serif" font-size="14.00">tailport=sw headport=s</text>
</g>
<!-- node76&#45;&gt;node76 -->
<g id="edge41" class="edge"><title>node76:sw&#45;&gt;node76:s</title>
<path fill="none" stroke="black" d="M308.397,-801.952C286,-815.452 153,-815.452 153,-796.452 153,-779.159 283.275,-777.605 324.879,-787.644"/>
<polygon fill="black" stroke="black" points="323.802,-790.975 334.397,-790.952 326.1,-784.363 323.802,-790.975"/>
<text text-anchor="middle" x="89.5" y="-824.252" font-family="Times,serif" font-size="14.00">tailport=sw headport=s</text>
</g>
<!-- node77 -->
<g id="node15" class="node"><title>node77</title>
<ellipse fill="none" stroke="black" cx="334.397" cy="-718.158" rx="36.2938" ry="36.2938"/>
<text text-anchor="middle" x="334.397" y="-714.458" font-family="Times,serif" font-size="14.00">node77</text>
</g>
<!-- node76&#45;&gt;node77 -->
<g id="edge42" class="edge"><title>node76&#45;&gt;node77</title>
<path fill="none" stroke="black" d="M334.397,-791.357C334.397,-782.894 334.397,-773.749 334.397,-764.903"/>
<polygon fill="black" stroke="black" points="337.897,-764.715 334.397,-754.715 330.897,-764.715 337.897,-764.715"/>
</g>
<!-- node77&#45;&gt;node77 -->
<g id="edge43" class="edge"><title>node77:sw&#45;&gt;node77:sw</title>
<path fill="none" stroke="black" d="M308.397,-692.158C292,-698.908 280,-698.908 280,-692.158 280,-686.832 287.471,-685.708 298.679,-688.788"/>
<polygon fill="black" stroke="black" points="297.802,-692.188 308.397,-692.158 300.096,-685.574 297.802,-692.188"/>
<text text-anchor="middle" x="211.5" y="-714.458" font-family="Times,serif" font-size="14.00">tailport=sw headport=sw</text>
</g>
<!-- node77&#45;&gt;node77 -->
<g id="edge44" class="edge"><title>node77:sw&#45;&gt;node77:sw</title>
<path fill="none" stroke="black" d="M308.397,-692.158C286,-705.658 143,-705.658 143,-692.158 143,-679.95 259.939,-678.782 298.884,-688.653"/>
<polygon fill="black" stroke="black" points="297.803,-691.985 308.397,-692.158 300.223,-685.417 297.803,-691.985"/>
<text text-anchor="middle" x="74.5" y="-714.458" font-family="Times,serif" font-size="14.00">tailport=sw headport=sw</text>
</g>
<!-- node78 -->
<g id="node16" class="node"><title>node78</title>
<ellipse fill="none" stroke="black" cx="334.397" cy="-608.364" rx="36.2938" ry="36.2938"/>
<text text-anchor="middle" x="334.397" y="-604.664" font-family="Times,serif" font-size="14.00">node78</text>
</g>
<!-- node77&#45;&gt;node78 -->
<g id="edge45" class="edge"><title>node77&#45;&gt;node78</title>
<path fill="none" stroke="black" d="M334.397,-681.564C334.397,-673.101 334.397,-663.955 334.397,-655.109"/>
<polygon fill="black" stroke="black" points="337.897,-654.921 334.397,-644.921 330.897,-654.922 337.897,-654.921"/>
</g>
<!-- node78&#45;&gt;node78 -->
<g id="edge46" class="edge"><title>node78:sw&#45;&gt;node78:w</title>
<path fill="none" stroke="black" d="M308.397,-582.364C292,-575.614 280,-575.614 280,-595.364 280,-606.474 283.797,-611.334 288.08,-612.259"/>
<polygon fill="black" stroke="black" points="289.52,-615.451 297.397,-608.364 286.821,-608.992 289.52,-615.451"/>
<text text-anchor="middle" x="214" y="-604.664" font-family="Times,serif" font-size="14.00">tailport=sw headport=w</text>
</g>
<!-- node78&#45;&gt;node78 -->
<g id="edge47" class="edge"><title>node78:sw&#45;&gt;node78:w</title>
<path fill="none" stroke="black" d="M308.397,-582.364C286,-568.864 148,-568.864 148,-595.364 148,-618.655 254.602,-621.476 288.157,-612.652"/>
<polygon fill="black" stroke="black" points="289.799,-615.748 297.397,-608.364 286.853,-609.399 289.799,-615.748"/>
<text text-anchor="middle" x="82" y="-604.664" font-family="Times,serif" font-size="14.00">tailport=sw headport=w</text>
</g>
<!-- node81 -->
<g id="node17" class="node"><title>node81</title>
<ellipse fill="none" stroke="black" cx="334.397" cy="-498.571" rx="36.2938" ry="36.2938"/>
<text text-anchor="middle" x="334.397" y="-494.871" font-family="Times,serif" font-size="14.00">node81</text>
</g>
<!-- node78&#45;&gt;node81 -->
<g id="edge48" class="edge"><title>node78&#45;&gt;node81</title>
<path fill="none" stroke="black" d="M334.397,-571.77C334.397,-563.307 334.397,-554.162 334.397,-545.316"/>
<polygon fill="black" stroke="black" points="337.897,-545.128 334.397,-535.128 330.897,-545.128 337.897,-545.128"/>
</g>
<!-- node81&#45;&gt;node81 -->
<g id="edge49" class="edge"><title>node81:w&#45;&gt;node81:nw</title>
<path fill="none" stroke="black" d="M297.397,-498.571C292,-491.821 280,-491.821 280,-511.571 280,-527.155 287.471,-530.442 298.679,-527.819"/>
<polygon fill="black" stroke="black" points="300.022,-531.061 308.397,-524.571 297.803,-524.422 300.022,-531.061"/>
<text text-anchor="middle" x="213.5" y="-494.871" font-family="Times,serif" font-size="14.00">tailport=w headport=nw</text>
</g>
<!-- node81&#45;&gt;node81 -->
<g id="edge50" class="edge"><title>node81:w&#45;&gt;node81:nw</title>
<path fill="none" stroke="black" d="M297.397,-498.571C286,-485.071 147,-485.071 147,-511.571 147,-535.535 260.668,-537.828 298.987,-528.065"/>
<polygon fill="black" stroke="black" points="300.24,-531.333 308.397,-524.571 297.804,-524.77 300.24,-531.333"/>
<text text-anchor="middle" x="80.5" y="-494.871" font-family="Times,serif" font-size="14.00">tailport=w headport=nw</text>
</g>
<!-- node82 -->
<g id="node18" class="node"><title>node82</title>
<ellipse fill="none" stroke="black" cx="334.397" cy="-388.777" rx="36.2938" ry="36.2938"/>
<text text-anchor="middle" x="334.397" y="-385.077" font-family="Times,serif" font-size="14.00">node82</text>
</g>
<!-- node81&#45;&gt;node82 -->
<g id="edge51" class="edge"><title>node81&#45;&gt;node82</title>
<path fill="none" stroke="black" d="M334.397,-461.977C334.397,-453.514 334.397,-444.368 334.397,-435.522"/>
<polygon fill="black" stroke="black" points="337.897,-435.334 334.397,-425.334 330.897,-435.334 337.897,-435.334"/>
</g>
<!-- node82&#45;&gt;node82 -->
<g id="edge52" class="edge"><title>node82:w&#45;&gt;node82:n</title>
<path fill="none" stroke="black" d="M297.397,-388.777C292,-382.027 280,-382.027 280,-407.277 280,-428.483 305.579,-431.88 324.513,-428.425"/>
<polygon fill="black" stroke="black" points="325.643,-431.746 334.397,-425.777 323.832,-424.984 325.643,-431.746"/>
<text text-anchor="middle" x="218" y="-385.077" font-family="Times,serif" font-size="14.00">tailport=w headport=n</text>
</g>
<!-- node82&#45;&gt;node82 -->
<g id="edge53" class="edge"><title>node82:w&#45;&gt;node82:n</title>
<path fill="none" stroke="black" d="M297.397,-388.777C286,-375.277 156,-375.277 156,-407.277 156,-436.402 283.79,-439.019 324.947,-429.076"/>
<polygon fill="black" stroke="black" points="326.109,-432.377 334.397,-425.777 323.802,-425.769 326.109,-432.377"/>
<text text-anchor="middle" x="94" y="-385.077" font-family="Times,serif" font-size="14.00">tailport=w headport=n</text>
</g>
<!-- node86 -->
<g id="node19" class="node"><title>node86</title>
<ellipse fill="none" stroke="black" cx="334.397" cy="-278.984" rx="36.2938" ry="36.2938"/>
<text text-anchor="middle" x="334.397" y="-275.284" font-family="Times,serif" font-size="14.00">node86</text>
</g>
<!-- node82&#45;&gt;node86 -->
<g id="edge54" class="edge"><title>node82&#45;&gt;node86</title>
<path fill="none" stroke="black" d="M334.397,-352.183C334.397,-343.72 334.397,-334.574 334.397,-325.729"/>
<polygon fill="black" stroke="black" points="337.897,-325.541 334.397,-315.541 330.897,-325.541 337.897,-325.541"/>
</g>
<!-- node86&#45;&gt;node86 -->
<g id="edge55" class="edge"><title>node86:w&#45;&gt;node86:s</title>
<path fill="none" stroke="black" d="M297.397,-278.984C292,-285.734 280,-285.734 280,-260.484 280,-239.278 305.579,-235.882 324.513,-239.336"/>
<polygon fill="black" stroke="black" points="323.832,-242.777 334.397,-241.984 325.643,-236.015 323.832,-242.777"/>
<text text-anchor="middle" x="219" y="-275.284" font-family="Times,serif" font-size="14.00">tailport=w headport=s</text>
</g>
<!-- node86&#45;&gt;node86 -->
<g id="edge56" class="edge"><title>node86:w&#45;&gt;node86:s</title>
<path fill="none" stroke="black" d="M297.397,-278.984C286,-292.484 158,-292.484 158,-260.484 158,-231.421 283.593,-228.754 324.729,-238.622"/>
<polygon fill="black" stroke="black" points="323.802,-242.005 334.397,-241.984 326.101,-235.393 323.802,-242.005"/>
<text text-anchor="middle" x="97" y="-275.284" font-family="Times,serif" font-size="14.00">tailport=w headport=s</text>
</g>
<!-- node87 -->
<g id="node20" class="node"><title>node87</title>
<ellipse fill="none" stroke="black" cx="334.397" cy="-169.19" rx="36.2938" ry="36.2938"/>
<text text-anchor="middle" x="334.397" y="-165.49" font-family="Times,serif" font-size="14.00">node87</text>
</g>
<!-- node86&#45;&gt;node87 -->
<g id="edge57" class="edge"><title>node86&#45;&gt;node87</title>
<path fill="none" stroke="black" d="M334.397,-242.389C334.397,-233.927 334.397,-224.781 334.397,-215.935"/>
<polygon fill="black" stroke="black" points="337.897,-215.747 334.397,-205.747 330.897,-215.747 337.897,-215.747"/>
</g>
<!-- node87&#45;&gt;node87 -->
<g id="edge58" class="edge"><title>node87:w&#45;&gt;node87:sw</title>
<path fill="none" stroke="black" d="M297.397,-169.19C292,-175.94 280,-175.94 280,-156.19 280,-140.606 287.471,-137.319 298.679,-139.942"/>
<polygon fill="black" stroke="black" points="297.803,-143.339 308.397,-143.19 300.022,-136.7 297.803,-143.339"/>
<text text-anchor="middle" x="214" y="-165.49" font-family="Times,serif" font-size="14.00">tailport=w headport=sw</text>
</g>
<!-- node87&#45;&gt;node87 -->
<g id="edge59" class="edge"><title>node87:w&#45;&gt;node87:sw</title>
<path fill="none" stroke="black" d="M297.397,-169.19C286,-182.69 148,-182.69 148,-156.19 148,-132.226 260.85,-129.933 299.012,-139.697"/>
<polygon fill="black" stroke="black" points="297.804,-142.981 308.397,-143.19 300.246,-136.421 297.804,-142.981"/>
<text text-anchor="middle" x="82" y="-165.49" font-family="Times,serif" font-size="14.00">tailport=w headport=sw</text>
</g>
<!-- node88 -->
<g id="node21" class="node"><title>node88</title>
<ellipse fill="none" stroke="black" cx="334.397" cy="-59.3968" rx="36.2938" ry="36.2938"/>
<text text-anchor="middle" x="334.397" y="-55.6968" font-family="Times,serif" font-size="14.00">node88</text>
</g>
<!-- node87&#45;&gt;node88 -->
<g id="edge60" class="edge"><title>node87&#45;&gt;node88</title>
<path fill="none" stroke="black" d="M334.397,-132.596C334.397,-124.133 334.397,-114.987 334.397,-106.141"/>
<polygon fill="black" stroke="black" points="337.897,-105.954 334.397,-95.9538 330.897,-105.954 337.897,-105.954"/>
</g>
<!-- node88&#45;&gt;node88 -->
<g id="edge61" class="edge"><title>node88:w&#45;&gt;node88:w</title>
<path fill="none" stroke="black" d="M297.397,-59.3968C292,-66.1468 280,-66.1468 280,-59.3968 280,-55.4944 284.011,-53.8481 288.438,-54.4579"/>
<polygon fill="black" stroke="black" points="286.95,-57.6341 297.397,-59.3968 290.329,-51.5039 286.95,-57.6341"/>
<text text-anchor="middle" x="216.5" y="-55.6968" font-family="Times,serif" font-size="14.00">tailport=w headport=w</text>
</g>
<!-- node88&#45;&gt;node88 -->
<g id="edge62" class="edge"><title>node88:w&#45;&gt;node88:w</title>
<path fill="none" stroke="black" d="M297.397,-59.3968C286,-72.8968 153,-72.8968 153,-59.3968 153,-47.5315 255.739,-46.0947 288.359,-55.0864"/>
<polygon fill="black" stroke="black" points="286.864,-58.2509 297.397,-59.3968 289.878,-51.9328 286.864,-58.2509"/>
<text text-anchor="middle" x="89.5" y="-55.6968" font-family="Times,serif" font-size="14.00">tailport=w headport=w</text>
</g>
</g>
</svg>