<?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">
  <key attr.name="name" attr.type="string" for="graph" id="d0" />
  <graph edgedefault="undirected">
    <data key="d0">Platonic Tetrahedral graph</data>
    <node id="0" />
    <node id="1" />
    <node id="2" />
    <node id="3" />
    <edge source="0" target="1" />
    <edge source="0" target="2" />
    <edge source="0" target="3" />
    <edge source="1" target="2" />
    <edge source="1" target="3" />
    <edge source="2" target="3" />
  </graph>
</graphml>
