C22213331333133313112331323133313331333131311331333132331133132331221   >>    C2221333133313331311233132313331333133313131133133313233113313233122   <<    C22213331333133313112331323133313331333131311331333132331133132331223   >>      C22213331333133313112331323133313331333131311331333132331133132331222   >>