C13332313311211113313331333133313331323132233133313331333133313223331212121   >>    C1333231331121111331333133313331333132313223313331333133313331322333121212   <<    C13332313311211113313331333133313331323132233133313331333133313223331212123   >>      C13332313311211113313331333133313331323132233133313331333133313223331212122   >>