CODE EXAMPLE FOR HTML

html row

basic table structure 
<table>
 <tr>
 <td>15</td>
 <td>15</td>
 <td>30</td>
 </tr>
 <tr>
 <td>45</td>
 <td>60</td>
 <td>45</td>
 </tr>
 <tr>
 <td>60</td>
 <td>90</td>
 <td>90</td>
 </tr>
</table>