C13223313311212111133133313331333132313331333132313331333211231   >>    C1322331331121211113313331333133313231333133313231333133321123   <<    C13223313311212111133133313331333132313331333132313331333211233   >>      C13223313311212111133133313331333132313331333132313331333211232   >>