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Your submissions received 1 five star rating
Awarded to Roger Stafford on 09 Oct 2019
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Obtain 50 solvers for a problem you have created
Awarded to Roger Stafford on 02 Nov 2018
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Awarded to Roger Stafford on 20 Jul 2017
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Answer 3 questions that were unanswered for more than 30 days
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Awarded to Roger Stafford on 23 Feb 2012
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Awarded to Roger Stafford on 02 Feb 2012
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Awarded to Roger Stafford on 25 Jan 2012
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