private static void TestHelper(IQueenSolution solution, int n)
        {
            Stopwatch wath = new Stopwatch();
            wath.Start();
            int result = solution.SolveQueenProblem(n);
            wath.Stop();

            Console.WriteLine("{0} queens| Result : {1}, Time : {2}ms", n, result, wath.ElapsedMilliseconds);
        }