using System;

namespace JaggedArray

{

    public class Program

    {

        public static void Main()

        {

            foreach(int[] arr in GenerateJaggedArray(12))

            {

                foreach(int item in arr)

                {

                    Console.Write(item);

                    Console.Write(" ");

                }

                Console.WriteLine();

            }

        }

        public static int[][] GenerateJaggedArray(int count)

        {

            Random rnd1 = new Random();

            int[][] result = new int[count][];

            for(int i = 0; i < count; i++)

            {

                result[i] = GenerateArray(rnd1.Next(1, 30));

            }

            return result;

        }

        public static int[] GenerateArray(int count)

        {

            Random rnd2 = new Random();

            int[] result =  new int[count];

            for(int j = 0; j < count; j++)

            {

                result[j] = rnd2.Next(1, 100);

            }

            return result;

        }

    }

}