C13223313311212111133133313331333133313232233133313332211232311   >>    C1322331331121211113313331333133313331323223313331333221123231   <<    C13223313311212111133133313331333133313232233133313332211232313   >>      C13223313311212111133133313331333133313232233133313332211232312   >>