' style='width:4px;height:20px;background:white'>&nbsp;</div></td>
            <td><div id='f_g_sep' style='width:2px;height:20px;background:black'>&nbsp;</div></td>
            <td><div id='left_bottom_g' style='width:4px;height:20px;background:white'>&nbsp;</div></td>
            <td><div id='bottom_g' style='width:10px;height:20px;background:white'>&nbsp;</div></td>
            <td><div id='right_bottom_g' style='width:4px;height:20px;background:white'>&nbsp;</div></td>
            <td><div id='g_a_sep' 