C1333231331121111331333133313331333132313223313331123313123121221   >>    C133323133112111133133313331333133313231322331333112331312312122   <<    C1333231331121111331333133313331333132313223313331123313123121223   >>      C1333231331121111331333133313331333132313223313331123313123121222   >>