C22213331333133313112331323133313331333133313211232313331333131113231311121   >>    C2221333133313331311233132313331333133313331321123231333133313111323131112   <<    C22213331333133313112331323133313331333133313211232313331333131113231311123   >>      C22213331333133313112331323133313331333133313211232313331333131113231311122   >>