C11111333133313232233133313331333133313331311331331121111113221   >>    C1111133313331323223313331333133313331333131133133112111111322   <<    C11111333133313232233133313331333133313331311331331121111113223   >>      C11111333133313232233133313331333133313331311331331121111113222   >>