C3123121111121111131213331333133313331333133313332112323132333132213331323111   >>    C312312111112111113121333133313331333133313331333211232313233313221333132311   <<    C3123121111121111131213331333133313331333133313332112323132333132213331323113   >>      C3123121111121111131213331333133313331333133313332112323132333132213331323112   >>