C22213331333133313112331323133313331333133313221333133313112211231213321   >>    C2221333133313331311233132313331333133313331322133313331311221123121332   <<    C22213331333133313112331323133313331333133313221333133313112211231213323   >>      C22213331333133313112331323133313331333133313221333133313112211231213322   >>