gistfile1.txt

<table>
    <tbody>
    
        <!-- first 'section' -->
        <tr class="head">
            <td>HEAD A</td>
            <td></td>
        </tr>
        
        <tr class="data">
            <td>DATA 1</td>
            <td>a</td>
            <td>b</td>
            <td>c</td>
            <td>d</td>
        </tr>
        
        <tr class="data">
            <td>DATA 2</td>
            <td>aaa</td>
            <td>bb</td>
            <td>cc</td>
            <td>ddd</td>
        </tr>
        
        <!-- second 'section' -->
        <tr class="head">
            <td>HEAD B</td>
        </tr>
        
        <tr class="data">
            <td>DATA 3</td>
            <td>aa</td>
            <td>b</td>
            <td>cccc</td>
            <td>ddddd</td>
        </tr>
    
    </tbody>
</table>