The if block is only executed 4 times because the for loop it's inside of only iterates 4 times.
I thought so too, but we are both wrong. Look again, at that horrible for loop (especially the second expression).
@Reconnoiter: I don't want to shit all over your code, but Superku is right, use two for loops. This is horrible! It's hard to read and grok, and code really ought to be self explanatory. Don't be too smart for your own and other goods!
