query syntax

1 000 000 web pages of about 80 000 000 in 3.98 s.

20 ***
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c***.edu Sign up to view
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c***.edu Sign up to view
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c***.edu Sign up to view
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c***.edu Sign up to view
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c***.edu Sign up to view
20 ***
c***.edu Sign up to view
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c***.edu Sign up to view
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c***.edu Sign up to view
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c***.edu Sign up to view
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c***.edu Sign up to view
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c***.edu Sign up to view
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c***.edu Sign up to view
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c***.edu Sign up to view
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t***.tw Sign up to view
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t***.tw Sign up to view
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t***.tw Sign up to view
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t***.tw Sign up to view
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t***.tw Sign up to view
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t***.tw Sign up to view