C3123121111121111131213331333133313331333133313332112323132333132212113323221   >>    C312312111112111113121333133313331333133313331333211232313233313221211332322   <<    C3123121111121111131213331333133313331333133313332112323132333132212113323223   >>      C3123121111121111131213331333133313331333133313332112323132333132212113323222   >>