<table border="1">
<tr>
<td>&alpha;</td>
<td align="center">cell2
<table border="2" style="background:#ABCDEF;">
<tr>
<td>NESTED</td>
</tr>
<tr>
<td>TABLE</td>
</tr>
</table>
</td>
<td valign="bottom">the original table again</td>
<td style="width:100px;">
<table border="2" style="background:#ABCDEF;">
<tr>
<td>A</td>
</tr>
</table>
<table border="2" style="background:#ABCDEF;">
<tr>
<td>B</td>
<td>B</td>
</tr>
</table>
</td>
<td style="width:50px;">
<table border="2" style="background:#ABCDEF;float:left;">
<tr>
<td>C</td>
</tr>
</table>
<table border="2" style="background:#ABCDEF;float:right;">
<tr>
<td>D</td>
</tr>
</table>
</td>
</tr>
</table>