C11111333133313232233133313331333133313332322331331121111331311221223321   >>    C1111133313331323223313331333133313331333232233133112111133131122122332   <<    C11111333133313232233133313331333133313332322331331121111331311221223323   >>      C11111333133313232233133313331333133313332322331331121111331311221223322   >>