C11111333133313232233133313331333133313331311331312111133222331   >>    C1111133313331323223313331333133313331333131133131211113322233   <<    C11111333133313232233133313331333133313331311331312111133222333   >>      C11111333133313232233133313331333133313331311331312111133222332   >>