C1333231331121111331333133313331333131133133313331333112211232322121   >>    C133323133112111133133313331333133313113313331333133311221123232212   <<    C1333231331121111331333133313331333131133133313331333112211232322123   >>      C1333231331121111331333133313331333131133133313331333112211232322122   >>