C13223313311212111133133313331333133313123133313113313232213111   >>    C1322331331121211113313331333133313331312313331311331323221311   <<    C13223313311212111133133313331333133313123133313113313232213113   >>      C13223313311212111133133313331333133313123133313113313232213112   >>