using System;

​

public class Program

{

    public static void Main()

    {

        int[] numbers = new int[]{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17};

        shuffle(numbers);

        Console.WriteLine(String.Join(", ", numbers));

    }

​

    private static void shuffle(int[] numbers)

    {

        Random r = new Random((int)DateTime.Now.Ticks);

        for (int i = 0; i < numbers.Length; i++)

        {

            int temp = numbers[i];

            int index = r.Next(numbers.Length);

            numbers[i] = numbers[index];

            numbers[index] = temp;

        }

    }

}