digraph stuff {
  green [shape=plaintext, label=<
    <TABLE>
      <TR>
        <TD WIDTH="40" HEIGHT="32" FIXEDSIZE="TRUE">
          <TABLE>
            <TR><TD WIDTH="8" HEIGHT="32">1</TD><TD WIDTH="32" HEIGHT="32">2</TD></TR>
           </TABLE>
        </TD>
      </TR>
    </TABLE>
  >];
}
