C22213331333133313112331323133313331333133313221333133322221211   >>    C2221333133313331311233132313331333133313331322133313332222121   <<    C22213331333133313112331323133313331333133313221333133322221213   >>      C22213331333133313112331323133313331333133313221333133322221212   >>