C13332313311211113313331333133313331311331333133313232132231211   >>    C1333231331121111331333133313331333131133133313331323213223121   <<    C13332313311211113313331333133313331311331333133313232132231213   >>      C13332313311211113313331333133313331311331333133313232132231212   >>