Normal Example
+-+-+-+-+ +-----+-----+-----+-----+
| | | | | | h1 | h2 | h3 | h4 |
+-+-+-+-+ +-----+-----+-----+-----+
| | | | | | c11 to c14 w/col-span |
+-+-+-+-+ +-----+-----+-----+-----+
| c21 | c22 | c23 | c24 |
+-----+-----+-----+-----+
| c31 - c32 | c33 - c34 |
+-----+-----+-----+-----+
| f1 | f2 | f3 | f4 |
+-----+-----+-----+-----+