C13223313311212111133133313331333131212111113331333133313221313211231   >>    C1322331331121211113313331333133313121211111333133313331322131321123   <<    C13223313311212111133133313331333131212111113331333133313221313211233   >>      C13223313311212111133133313331333131212111113331333133313221313211232   >>