C13223313311212111133133313331333131212111113331333133313113313221211231   >>    C1322331331121211113313331333133313121211111333133313331311331322121123   <<    C13223313311212111133133313331333131212111113331333133313113313221211233   >>      C13223313311212111133133313331333131212111113331333133313113313221211232   >>