C13223313311212111133133313331333133313232233133313123313113311   >>    C1322331331121211113313331333133313331323223313331312331311331   <<    C13223313311212111133133313331333133313232233133313123313113313   >>      C13223313311212111133133313331333133313232233133313123313113312   >>