<table>
<tr><th>1</th><th>2</th><th>3</th><th>4</th><th>5</th><th>6</th></tr>
<tr><th>7</th><td>8</td><td>9</td><td>10</td><td>11</td><td>12</td></tr>
</table>
<table>
<tr><th rowspan="2">1</th><th colspan="2">2</th></tr>
<tr><td>8</td><td>9</td><td>10</td><td>11</td><td>12</td></tr>
</table>