
          is the source code.
        </li>
      </ul>
    </p>

    <h3 align = "center">
      Examples and Tests:
    </h3>

    <p>
      <b>ELBOW</b> is a curved region, looking like an elbow, that lies inside
      the unit square.  It is triangulated using order 3 triangles.  There are
      320 nodes and 568 triangles.  There are 66 nodes on the boundary.
      <ul>
        <li>
          <a href = "elbow_nodes.txt">elbow_nodes.txt</a>,
          the node file.
        </li>
        <li>
         