C13332313311211113313331333133313331323132233133313331333133313112211231231211   >>    C1333231331121111331333133313331333132313223313331333133313331311221123123121   <<    C13332313311211113313331333133313331323132233133313331333133313112211231231213   >>      C13332313311211113313331333133313331323132233133313331333133313112211231231212   >>