C22213331333133313112331323133313331333133313221331123231311112331   >>    C2221333133313331311233132313331333133313331322133112323131111233   <<    C22213331333133313112331323133313331333133313221331123231311112333   >>      C22213331333133313112331323133313331333133313221331123231311112332   >>