insert-into-split-inline-11-noib-ref.html

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<!DOCTYPE html>

<html>

 <head>

  <style>

   body > span { border: 3px solid blue }

   body > span > span { border: 3px solid cyan }

   .notstart { border-left: none; }

   .notend { border-right: none; }

  </style>

 </head>

 <body>

  <span class="notend">

    <span class="notend">

      <span>One</span><span>Two</span><span>Three</span>

    </span>

  </span>

  <div>Four</div>

  <span class="notstart notend"><span class="notstart notend"></span></span>

  <div>Five</div>

  <span class="notstart notend">

    <span class="notstart notend">

      <span>Six</span>

    </span>

  </span>

  <div>Seven</div>

  <span class="notstart notend"><span class="notstart notend"></span></span>

  <div>Eight</div>

  <span class="notstart notend">

    <span class="notstart">

      <span>Nine</span>

    </span>

  </span>

  <div>Ten</div>

  <span class="notstart"></span>

 </body>

</html>