C13332313311211113313331333133313331323132233133313331323113311232311   >>    C1333231331121111331333133313331333132313223313331333132311331123231   <<    C13332313311211113313331333133313331323132233133313331323113311232313   >>      C13332313311211113313331333133313331323132233133313331323113311232312   >>