C13223313311212111133133313331333133313232233133313113313231133233313331211   >>    C1322331331121211113313331333133313331323223313331311331323113323331333121   <<    C13223313311212111133133313331333133313232233133313113313231133233313331213   >>      C13223313311212111133133313331333133313232233133313113313231133233313331212   >>