C1311213331333132332133313331333133313121111331333133313331333133313232231331   >>    C131121333133313233213331333133313331312111133133313331333133313331323223133   <<    C1311213331333132332133313331333133313121111331333133313331333133313232231333   >>      C1311213331333132332133313331333133313121111331333133313331333133313232231332   >>