<?xml version="1.0" encoding="utf-8" standalone="no"?>
<svg height="158" width="182" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<line x1="91" y1="157" x2="46" y2="79.1" stroke="red" stroke-dasharray="3"/>
<line x1="136" y1="79.1" x2="91" y2="157" stroke="red" stroke-dasharray="3"/>
<line x1="46" y1="79.1" x2="136" y2="79.1" stroke="red" stroke-dasharray="3"/>
<line x1="13.9" y1="157" x2="12.2" y2="137.5" stroke="black"/>
<line x1="26.7" y1="157" x2="23.5" y2="118" stroke="black"/>
<line x1="39.6" y1="157" x2="34.8" y2="98.5" stroke="black"/>
<line x1="52.4" y1="157" x2="46" y2="79.1" stroke="black"/>
<line x1="65.3" y1="157" x2="57.2" y2="59.6" stroke="black"/>
<line x1="78.1" y1="157" x2="68.5" y2="40.1" stroke="black"/>
<line x1="91" y1="157" x2="79.8" y2="20.6" stroke="black"/>
<line x1="103.9" y1="157" x2="91" y2="1.1" stroke="black"/>
<line x1="116.7" y1="157" x2="106" y2="27.1" stroke="black"/>
<line x1="129.6" y1="157" x2="121" y2="53.1" stroke="black"/>
<line x1="142.4" y1="157" x2="136" y2="79.1" stroke="black"/>
<line x1="155.3" y1="157" x2="151" y2="105" stroke="black"/>
<line x1="168.1" y1="157" x2="166" y2="131" stroke="black"/>
<line x1="174.6" y1="145.9" x2="158.5" y2="157" stroke="black"/>
<line x1="168.1" y1="134.7" x2="136" y2="157" stroke="black"/>
<line x1="161.7" y1="123.6" x2="113.5" y2="157" stroke="black"/>
<line x1="155.3" y1="112.5" x2="91" y2="157" stroke="black"/>
<line x1="148.9" y1="101.3" x2="68.5" y2="157" stroke="black"/>
<line x1="142.4" y1="90.2" x2="46" y2="157" stroke="black"/>
<line x1="136" y1="79.1" x2="23.5" y2="157" stroke="black"/>
<line x1="129.6" y1="67.9" x2="1" y2="157" stroke="black"/>
<line x1="123.1" y1="56.8" x2="16" y2="131" stroke="black"/>
<line x1="116.7" y1="45.7" x2="31" y2="105" stroke="black"/>
<line x1="110.3" y1="34.5" x2="46" y2="79.1" stroke="black"/>
<line x1="103.9" y1="23.4" x2="61" y2="53.1" stroke="black"/>
<line x1="97.4" y1="12.3" x2="76" y2="27.1" stroke="black"/>
<line x1="84.6" y1="12.3" x2="102.2" y2="20.6" stroke="black"/>
<line x1="78.1" y1="23.4" x2="113.5" y2="40.1" stroke="black"/>
<line x1="71.7" y1="34.5" x2="124.8" y2="59.6" stroke="black"/>
<line x1="65.3" y1="45.7" x2="136" y2="79.1" stroke="black"/>
<line x1="58.9" y1="56.8" x2="147.2" y2="98.5" stroke="black"/>
<line x1="52.4" y1="67.9" x2="158.5" y2="118" stroke="black"/>
<line x1="46" y1="79.1" x2="169.8" y2="137.5" stroke="black"/>
<line x1="39.6" y1="90.2" x2="181" y2="157" stroke="black"/>
<line x1="33.1" y1="101.3" x2="151" y2="157" stroke="black"/>
<line x1="26.7" y1="112.5" x2="121" y2="157" stroke="black"/>
<line x1="20.3" y1="123.6" x2="91" y2="157" stroke="black"/>
<line x1="13.9" y1="134.7" x2="61" y2="157" stroke="black"/>
<line x1="7.4" y1="145.9" x2="31" y2="157" stroke="black"/>
<polygon points="1,157 181,157 91,1.1" fill="none" stroke="blue"/>
</svg>