In this example you can test advanced actions on nested tables.
| row 1, col 1 | 
 | row 1, col 3 | row 1, col 4 | ||||||
| row 2, col 1 | row 2, col 2 | row 2, col 3 | row 2, col 4 | 
| h1 | h2 | h3 | h4 | 
|---|---|---|---|
| row 1, col 1 | row 1, col 2 | row 1, col 3 | row 1, col 4 | 
| row 2, col 1 | row 2, col 2 | row 2, col 3 | row 2, col 4 | 
| row 3, col 1 | row 3, col 2 | row 3, col 3 | row 3, col 4 | 
| row 4, col 1 | row 4, col 2 | row 4, col 3 | row 4, col 4 | 
| a | b | c | d | e | f | g | h | i | j | k | 
| l | m | n | o | p | q | r | ||||
| s | t | u | v | w | x | |||||
| y | z | za | 
 | zc | zd | ze | zf | zg | zh | |