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Earned on 13 Sep 2012 for creating Problem 944. Create incremental spiral WITHOUT USING EVAL or....
Earned on 11 Oct 2012 for first solving .
Earned on 11 Oct 2012 for submitting the best solution .
Solve all the problems in Tiles Challenge problem group.
Solve all the problems in ASEE Challenge problem group.
Earned on 25 Oct 2013 for creating 10 problems.
Solve 500 problems.
Must receive 50 total likes for the solutions you submitted.
Must receive 10 likes for a solution you submitted.
Must receive 25 total likes for the problems you created.
Must receive 10 likes for a problem you created.