<?xml version="1.0" encoding="UTF-8"?>
<graphml xmlns="http://graphml.graphdrawing.org/xmlns"  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://graphml.graphdrawing.org/xmlns http://graphml.graphdrawing.org/xmlns/1.0/graphml.xsd">

	<graph id="G">
		
		<edge source="a" target="b"/>
		<edge source="a" target="c"/>
		<edge source="a" target="d"/>
		

		<edge source="b" target="e"/>
		<edge source="b" target="f"/>
		
		<edge source="c" target="g"/>
		<edge source="c" target="h"/>
		
		<edge source="d" target="i"/>
		<edge source="d" target="j"/>

		
		<edge source="e" target="k"/>
		<edge source="e" target="l"/>
		<edge source="e" target="m"/>
		
		<edge source="g" target="n"/>
		<edge source="g" target="o"/>
		<edge source="g" target="p"/>
		
		<edge source="i" target="r"/>
		<edge source="i" target="s"/>
		<edge source="i" target="t"/>
		
		
		<edge source="k" target="u"/>
		<edge source="k" target="v"/>

		<edge source="n" target="y"/>
		<edge source="n" target="w"/>
		
		<edge source="r" target="x"/>
		<edge source="r" target="z"/>
		
	</graph>
</graphml>