C13223313311212111133133313331333131212111113331333133313221331121111   >>    C1322331331121211113313331333133313121211111333133313331322133112111   <<    C13223313311212111133133313331333131212111113331333133313221331121113   >>      C13223313311212111133133313331333131212111113331333133313221331121112   >>