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Vernon Dahmer postete ein Update vor 2 Jahren, 5 Monaten
Each problem that I solved became a rule which served afterwards to solve other problems. (Rene Descartes, Discours de la Methode)
Vernon Dahmer postete ein Update vor 2 Jahren, 5 Monaten
Each problem that I solved became a rule which served afterwards to solve other problems. (Rene Descartes, Discours de la Methode)