C22213331333133313112331323133313331333131311331333133313112211232223321   >>    C2221333133313331311233132313331333133313131133133313331311221123222332   <<    C22213331333133313112331323133313331333131311331333133313112211232223323   >>      C22213331333133313112331323133313331333131311331333133313112211232223322   >>