I honestly don't understand what's going on... but in Pascal I'd use short circuit expression evaluation to make the comparisons as I go into the depths. There

I honestly don't understand what's going on... but in Pascal I'd use short circuit expression evaluation to make the comparisons as I go into the depths. There's too many layers of nesting, in too foreign a syntax for me to even parse. I suspect it could be done a clearer manner in pascal.