C3123121111113313121111331333131211111333131133133313232133313232313232233111   >>    C312312111111331312111133133313121111133313113313331323213331323231323223311   <<    C3123121111113313121111331333131211111333131133133313232133313232313232233113   >>      C3123121111113313121111331333131211111333131133133313232133313232313232233112   >>