5 <table bgcolor=orange border
>
7 <td>c11
</td><td rowspan=
2 colspan=
2>X1
</td><td>c12
</td>
10 <td colspan=
2>c21
</td><td>c22
</td>
13 <td>c31
</td><td>c32
</td><td>c33
</td><td>c34
</td>
16 <table bgcolor=orange border
>
18 <td>c11
</td><td>c12
</td><td rowspan=
2>c13
</td>
21 <td>c21
</td><td>X2
</td><td>c22
</td>
24 <td>c31
</td><td>c32
</td><td>c33
</td>