<html xmlns="http://www.w3.org/1999/xhtml">
<head>
</head>
<body>

<math xmlns="http://www.w3.org/1998/Math/MathML">
  <mstyle scriptsizemultiplier="8205" scriptlevel="15">
    <mroot>
      <mrow/>
      <mrow>
        <span xmlns="http://www.w3.org/1999/xhtml"/>
      </mrow>
    </mroot>
  </mstyle>
</math>

</body>
</html>