C13223313311212111133133313331333133313232233133313121111333311311   >>    C1322331331121211113313331333133313331323223313331312111133331131   <<    C13223313311212111133133313331333133313232233133313121111333311313   >>      C13223313311212111133133313331333133313232233133313121111333311312   >>