C3123121111331312121111331311331333133313232233132213331313123221   >>    C312312111133131212111133131133133313331323223313221333131312322   <<    C3123121111331312121111331311331333133313232233132213331313123223   >>      C3123121111331312121111331311331333133313232233132213331313123222   >>