C22213331333133313112331323133313331333133313331333133323123121   >>    C2221333133313331311233132313331333133313331333133313332312312   <<    C22213331333133313112331323133313331333133313331333133323123123   >>      C22213331333133313112331323133313331333133313331333133323123122   >>