C13223313311212111133133313331333132313231322113121111123232311   >>    C1322331331121211113313331333133313231323132211312111112323231   <<    C13223313311212111133133313331333132313231322113121111123232313   >>      C13223313311212111133133313331333132313231322113121111123232312   >>