"deleting duplicates" is equivalent to "extracting uniques"
Max, are you a politician by any chance?
<vbg

Doubt I'd be able to survive the harshness of it ! <g

But in the absence of feedback from the OP, just thought to add-on a little
clarification, and another interp angle to the orig. post.
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Rgds
Max
xl 97
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Singapore, GMT+8
xdemechanik
http://savefile.com/projects/236895
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