using System;

public class Program

{

    public static void Main()

    {

        int[][] arr = new int[3][]{  

        new int[] { 11, 21, 56, 78 },  

        new int[] { 2, 5, 6, 7, 98, 5 },  

        new int[] { 2, 5 }  

        };  

        // Traverse array elements  

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

        {  

            for (int j = 0; j < arr[i].Length; j++)  

            {  

                System.Console.Write(arr[i][j]+" ");  

            }  

            System.Console.WriteLine();  

        }   

    }

}