using System;

​

public class Program

{

    public static void Main()

    {

        // Array Declaration

        int[][] intArray = new int[3][];

        // Array initialization 

        intArray[0] = new int[]{1, 2};

        intArray[1] = new int[]{3, 4, 5};

        intArray[2] = new int[]{6, 7, 8, 9};

        // Nested foreach loop

        string display = string.Empty;

        foreach (int[] row in intArray)

        {

            foreach (int column in row)

            {

                display += column + " ";

            }

​

            // move to the next line

            display += "\n";

        }

​

        Console.WriteLine(display);

    }

}