Why does my Loop end after 11 Loops?

[bplus]

I'm certain the "recur" at the end of that code is where the LOOP goes.  Dimster didn't post BASIC; just pseudocode for his process -- or else it'd error out on the Open the file segment. 

Here's my check:
   

I haven't a clue where Dimster can put a loop without messing up recursion