Solve a problem for the first time
Awarded to Martin Lechner on 26 Oct 2019
Publish your first comment or rating
Awarded to Martin Lechner on 09 Oct 2019
1 of your answers has been accepted
Awarded to Martin Lechner on 23 Nov 2018
Provide your first answer ever to someone else's question
Answer 1 question that was unanswered for more than 30 days
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