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Earned on 15 Mar 2012 for first solving Problem 497. Make an awesome ramp for a tiny motorcycle stun....
Solve a problem with a best solution.
Solve all the problems in Tiles Challenge problem group.
Earned on 17 Apr 2013 for having 50 or more solvers for Problem 497. Make an awesome ramp for a tiny motorcycle stun....
Solve all the problems in Cody Challenge problem group.
Solve all the problems in ASEE Challenge problem group.
Create 10 problems.
Solve 500 problems.
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 solution you submitted.
Must receive 10 likes for a problem you created.