C1333231331121111331333133313331333132233313331333133313232213331   >>    C133323133112111133133313331333133313223331333133313331323221333   <<    C1333231331121111331333133313331333132233313331333133313232213333   >>      C1333231331121111331333133313331333132233313331333133313232213332   >>