<table BORDER CLASS="small"> <colgroup align=left> <colgroup align=center span=2> <colgroup align=right> <TR><TH>left</TH><TH>ctr</TH><TH>ctr</TH><TH>right</TH></TR> <TR><TD>a</TD><TD>b</TD><TD>c</TD><TD>d</TD></TR> <TR><TD>aa</TD><TD>bb</TD><TD>cc</TD><TD>dd</TD></TR> ... more rows ... </table>