C1333231331121111331333133313331333132233313331333133313331233212121   >>    C133323133112111133133313331333133313223331333133313331333123321212   <<    C1333231331121111331333133313331333132233313331333133313331233212123   >>      C1333231331121111331333133313331333132233313331333133313331233212122   >>