Yes, you are right. I really messed up on this one :(
>Look closer at the code. SCAN is done on one table and loop and skip on another. ...
Difference in opinions hath cost many millions of lives: for instance, whether flesh be bread, or bread be flesh; whether whistling be a vice or a virtue; whether it be better to kiss a post, or throw it into the fire... (from Gulliver's Travels)