Table HTML Basic | HTML Attribut colspan rowspan

<table border="1">
    <tbody>
        <tr>
            <th rowspan="3">1</th>
            <th>2</th>
            <th rowspan="2">3</th>
        </tr>
        <tr>
            <td>5</td>
        </tr>
        <tr>
            <td colspan="2">8</td>
        </tr>
    </tbody>
</table>