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Earned on 22 Feb 2013 for first solving Problem 1288. Balanced Ternary Numbers: Easy as |, |-, |o.
Solve a problem with a best solution.
Must have 50 solvers for a problem you created.
Solve all the problems in Cody Challenge problem group.
Create 10 problems.
Solve all the problems in ASEE Challenge problem group.
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.