C13223313311212111133133313331333132313331333133313331333133313121111332232331   >>    C1322331331121211113313331333133313231333133313331333133313331312111133223233   <<    C13223313311212111133133313331333132313331333133313331333133313121111332232333   >>      C13223313311212111133133313331333132313331333133313331333133313121111332232332   >>