<?xml version="1.0"?><graph name=""><v id="1" vtv="v1"><e etv="e1">2</e><e etv="e2">3</e></v><v id="2" vtv="v2"><e etv="e4">4</e></v><v id="3" vtv="v3"><e etv="e3">2</e></v><v id="4" vtv="v4"><e etv="e5">3</e></v></graph>
