C13223313311212111133133313331333132313331333133313121111331312131   >>    C1322331331121211113313331333133313231333133313331312111133131213   <<    C13223313311212111133133313331333132313331333133313121111331312133   >>      C13223313311212111133133313331333132313331333133313121111331312132   >>