$893122.$qx$3$zqy$7$

Use the process of stepwise refinement to break down the task of printing the following table into simpler tasks.

$+-----+-----------+$

$|$ i $|$ i $*$ i $*$ i $|$

$+-----+-----------+$

$|1|1|$

$|2|8|$

$......$

$|20|8000|$

$+-----+-----------+$

Not all of the methods provided are useful.