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Earned on 30 Apr 2013 for first solving .
Solve all the problems in CUP Challenge problem group.
Must have 50 solvers for a problem you created.
Solve all the problems in Tiles Challenge problem group.
Solve all the problems in Cody Challenge problem group.
Earned on 1 May 2013 for creating 10 problems.
Solve 500 problems.
Must receive 10 likes for a solution you submitted.
Must receive 25 total likes for the problems you created.
Must receive 50 total likes for the solutions you submitted.
Must receive 10 likes for a problem you created.