public static function HashFromInt($num, int $seed = 5421087) :string
        {
            $scrambled = (324863748635 * $num + $seed) % 2654348974297586158321;

            $res = '';

            while ($scrambled) {
                $res       = self::BASE62_POOL[$scrambled % self::BASE62_BASE] . $res;
                $scrambled = intdiv($scrambled, self::BASE62_BASE);
            }

            $res = str_repeat('0', 12 - strlen($res)) . $res;

            return $res;
        }