C22213331333133313112331323133313331333133313222321333131231211121   >>    C2221333133313331311233132313331333133313331322232133313123121112   <<    C22213331333133313112331323133313331333133313222321333131231211123   >>      C22213331333133313112331323133313331333133313222321333131231211122   >>