C22213331333133313112331323133313331333133313221333133311332221   >>    C2221333133313331311233132313331333133313331322133313331133222   <<    C22213331333133313112331323133313331333133313221333133311332223   >>      C22213331333133313112331323133313331333133313221333133311332222   >>