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<DIV><FONT face=Arial size=2>Dear Luis,</FONT></DIV>
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<DIV><FONT face=Arial size=2>Thank you very much. I will try the code provided
by Nick and give my report.</FONT></DIV>
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<DIV><FONT face=Arial size=2>Best Regards<BR>Ni Dong<BR>Computer Science and
Engineering Dept., The Chinese University of Hong
Kong</FONT></DIV></BODY></HTML>