C13223313311212111133133313331333133313231322333121111131121121   >>    C1322331331121211113313331333133313331323132233312111113112112   <<    C13223313311212111133133313331333133313231322333121111131121123   >>      C13223313311212111133133313331333133313231322333121111131121122   >>