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<?latexml class="article"?>
<?latexml RelaxNGSchema="LaTeXML"?>
<document xmlns="http://dlmf.nist.gov/LaTeXML">
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    <tabular>
      <tr>
        <td align="center">[u1]a1[v1]</td>
        <td align="center">[u2]a2[v2]</td>
        <td align="center">[u3]a3[v3]</td>
      </tr>
      <tr>
        <td align="left">a1</td>
        <td align="center">[u2]a2[v2]</td>
        <td align="center">[u3]a3[v3]</td>
      </tr>
      <tr>
        <td align="left" colspan="2">a1 [u2]a2[v2]</td>
        <td align="center">[u3]a3[v3]</td>
      </tr>
      <tr>
        <td align="left" colspan="3">a1 [u2]a2[v2] a3</td>
      </tr>
      <tr>
        <td align="left" colspan="3">a2a3</td>
      </tr>
      <tr>
        <td align="left" colspan="3">a3</td>
      </tr>
    </tabular>
  </para>
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