C13223313311212111133133313331333133313123133313113313232232311   >>    C1322331331121211113313331333133313331312313331311331323223231   <<    C13223313311212111133133313331333133313123133313113313232232313   >>      C13223313311212111133133313331333133313123133313113313232232312   >>