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Solve a problem first.
Create a problem.
Solve a problem with a best solution.
Must have 50 solvers for a problem you created.
Create 10 problems.
Earned on 16 Dec 2013 for solving 500 problems.
Must receive 25 total likes for the problems you created.
Must receive 10 likes for a solution you submitted.
Must receive 50 total likes for the solutions you submitted.
Must receive 10 likes for a problem you created.