C3123121111121111131213331333133313331333133313332112323133313231323221121   >>    C312312111112111113121333133313331333133313331333211232313331323132322112   <<    C3123121111121111131213331333133313331333133313332112323133313231323221123   >>      C3123121111121111131213331333133313331333133313332112323133313231323221122   >>