C11111333133313232233133313331333133313332322331331121111331311211311331   >>    C1111133313331323223313331333133313331333232233133112111133131121131133   <<    C11111333133313232233133313331333133313332322331331121111331311211311333   >>      C11111333133313232233133313331333133313332322331331121111331311211311332   >>