C22213331333133313112331323133313331333133313211232311331322311331   >>    C2221333133313331311233132313331333133313331321123231133132231133   <<    C22213331333133313112331323133313331333133313211232311331322311333   >>      C22213331333133313112331323133313331333133313211232311331322311332   >>