C13223313311212111133133313331333131212111113331333133313223231311233121   >>    C1322331331121211113313331333133313121211111333133313331322323131123312   <<    C13223313311212111133133313331333131212111113331333133313223231311233123   >>      C13223313311212111133133313331333131212111113331333133313223231311233122   >>