<!DOCTYPE html>
<html>
<head>
<meta charset=utf-8>
<style>
td { border: 1px solid black; }
.r1 { width: 50px; }
.r2 { width: 100px; }
.r3 { width: 20px; }
.c1 { height: 20px; }
.c2 { height: 30px; }
.c3 { height: 40px; }
.c4 { height: 50px; }
</style>
</head>
<body>
<table>
<tr>
<td class="r1 c1" colspan=2 style="background: #080;"></td>
<td class="r3 c1" style="background: #008;"></td>
</tr>
<tr>
<td class="r1 c2" style="background: #800;"></td>
<td class="r2 c2" style="background: #080;"></td>
<td class="r3 c2" style="background: #008;"></td>
</tr>
<tr>
<td class="r1 c3" colspan=3 style="background: #008;"></td>
</tr>
<tr>
<td class="r1 c4" style="background: #800;"></td>
<td class="r2 c4" colspan=2 style="background: #008;"></td>
</tr>
</table>
</body>
</html>