C1333231331121111331333133313331333132313223313232213331333233112311   >>    C133323133112111133133313331333133313231322331323221333133323311231   <<    C1333231331121111331333133313331333132313223313232213331333233112313   >>      C1333231331121111331333133313331333132313223313232213331333233112312   >>