<table> <tbody> <tr> <td>^cell1</td> <td>cell2</td> </tr> <tr> <td colspan="2">cell3</td> </tr> </tbody> </table> <table> <tbody> <tr> <td colspan="2"> cell1cell2</td> </tr> <tr> <td colspan="2"> cell3</td> </tr> </tbody> </table> <table> <tbody> <tr> <td>^cell1</td> <td rowspan="2">cell2</td> </tr> <tr> <td>cell3</td> </tr> </tbody> </table> <table> <tbody> <tr> <td rowspan="2"> cell1<br /> cell3</td> <td rowspan="2"> cell2</td> </tr> </tbody> </table>