Mediawiki tables with row and colspans.

Mediawiki Syntax

{| border="1" cellpadding="5" cellspacing="0"
|-
! Column 1 || Column 2 || Column 3
|-
| A
| colspan="2" align="center"| B
|-
| C
| D
|-
| E
| colspan="2" align="center"| F
|- 
| G
| H
| I
|- 
| J
| K
|-
| colspan="2" align="center"| L
|-
| rowspan="2"| M
| N
| O
|-
| colspan="2" |P
|}

Html Syntax
<table>
 <tr>
	<th>Column 1</th>
	<th>Column 2</th>
	<th>Column 3</th>
 </tr>
 <tr>
	<td>A</td>
	<td colspan="2" align="center">B</td>
 </tr>
 <tr>
	<td>C</td>
	<td>D</td>
 </tr>
 <tr>
	<td>E</td>
	<td colspan="2">F</td>
 </tr>
 <tr>
	<td>G</td>
	<td>H</td>
	<td>I</td>
 </tr>
 <tr>
	<td>J</td>
	<td>K</td>
 </tr>
 <tr>
	<td colspan="2">L</td>
 </tr>
 <tr>
	<td rowspan="2">M</td>
   <td>N</td>
   <td>O</td>
 </tr>
 <tr>
	<td colspan="2">P</td>
 </tr>
</table>