public void SetData()
        {
            primes  = new Primes((long)Math.Pow(maxSize, 2));
            triples = new HashSet <PythagoreanTriple>(new PythComp());
            // https://www.chilimath.com/lessons/geometry-lessons/generating-pythagorean-triples/
            long a, b;

            // Generate all triples where short leg < 100, and long leg (which will become sum of other two legs) < 2*MaxSize
            for (long n = 1; 2 * n <= (maxSize * 2); n++)
            {
                for (long m = n + 1; Math.Pow(m, 2) - Math.Pow(n, 2) <= maxSize; m++)
                {
                    a = (int)(Math.Pow(m, 2) - Math.Pow(n, 2));
                    b = 2 * n * m;
                    if (a > (maxSize * 2) || b > (maxSize * 2))
                    {
                        break;
                    }
                    if (primes.Reduce(ref a, ref b))
                    {
                        continue;
                    }

                    if (!triples.Add(new PythagoreanTriple(a, b)))
                    {
                        throw new Exception("Attempted to add duplicate.");
                    }
                    ;
                }
            }
        }