for ($i = 0; $i <= 999; $i++) {
	if ($i < 10) { $var_name = "candidates00$i"; }
	elsif ($i < 100) { $var_name = "candidates0$i"; }
	else { $var_name = "candidates$i"; }
	for ($j = 0; $j <= 999; $j++) {
		if ($j !=0) { print ","; }
		if ($j < 10) { $var_name2 = "candidates00$j"; }
		elsif ($j < 100) { $var_name2 = "candidates0$j"; }
		else { $var_name2 = "candidates$j"; }

		$result = $$var_name->subtract($$var_name2);
		print $result->normalizing();
		#if($j == 0) { print ","; }
	}
	print "\n";
}