C13223313311212111133133313331333133313231322333121111133331211   >>    C1322331331121211113313331333133313331323132233312111113333121   <<    C13223313311212111133133313331333133313231322333121111133331213   >>      C13223313311212111133133313331333133313231322333121111133331212   >>