docs: public static Comparator<LongTuple> comparator(Order order)
      {
          if (order == Order.LEXICOGRAPHICAL)
          {
              return (t0, t1) -> compareLexicographically(t0, t1);
          }
          if (order == Order.COLEXICOGRAPHICAL)
          {
              return (t0, t1) -> compareColexicographically(t0, t1);
          }
          return null;
      }