C13332313311211113313331333133313331322333133313331333131122223121   >>    C1333231331121111331333133313331333132233313331333133313112222312   <<    C13332313311211113313331333133313331322333133313331333131122223123   >>      C13332313311211113313331333133313331322333133313331333131122223122   >>