C13223313311212111133133313331333133313233212121111331313331211   >>    C1322331331121211113313331333133313331323321212111133131333121   <<    C13223313311212111133133313331333133313233212121111331313331213   >>      C13223313311212111133133313331333133313233212121111331313331212   >>