C3123121111121111131213331333133313331333133313332112323133313331323223323221   >>    C312312111112111113121333133313331333133313331333211232313331333132322332322   <<    C3123121111121111131213331333133313331333133313332112323133313331323223323223   >>      C3123121111121111131213331333133313331333133313332112323133313331323223323222   >>