<cont xmlns="urn:state-lists">
  <l>
    <leaf1>aa</leaf1>
    <leaf2>10</leaf2>
    <lcont>
      <leaf3/>
      <l2>
        <leaf4>aa</leaf4>
        <leaf5>aa</leaf5>
      </l2>
    </lcont>
  </l>
  <l>
    <leaf1>b</leaf1>
    <leaf2>20</leaf2>
    <lcont>
      <l2>
        <leaf5>bb</leaf5>
      </l2>
    </lcont>
  </l>
  <ll>abab</ll>
  <ll>baba</ll>
  <l/>
  <l/>
  <ll>abab</ll>
  <ll>baba</ll>
</cont>