C1333231331121111331333133313331333132313223313331333133311123232311   >>    C133323133112111133133313331333133313231322331333133313331112323231   <<    C1333231331121111331333133313331333132313223313331333133311123232313   >>      C1333231331121111331333133313331333132313223313331333133311123232312   >>