gistfile1.html

<ul id="id_0">
  <li id="id_1">1.0</li>
  <li id="id_2">2.0</li>
  <li id="id_3">3.0
    <ul>
      <li id="id_4">3.1</li>
      <li id="id_5">3.2</li>
    </ul>
  </li>
</ul>
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