<body>
  <table border="1" cellspacing="2" cellpadding="2">
    <colgroup span="2" width="30">
    </colgroup>
    <colgroup span="2" width="50" align="right">
    </colgroup>
    <tr>
      <td>A</td><td>C</td><td>E</td><td>G</td>
    </tr>
    <tr>
      <td>B</td><td>D</td><td>F</td><td>H</td>
    </tr>
  </table>
</body>