using System;

public class Program

{

    public static void Main()

    {

        int colnum=4;

        int count=0;

        for(int i=1;i<=12;i++)

        {

            if(i%colnum==1)

            {

                    Console.WriteLine(String.Format("This is line {0}",i));

                    for(int y=1;y<=4;y++)

                       {

                        count=count+1;

                        if(y==4)

                        {

                            Console.WriteLine(count.ToString());

                        }

                        else

                        {

                            Console.Write(count.ToString()+ " ");

                        }

                       }

                       i=i+colnum;

                      Console.WriteLine("the value of i is " + i);

            }

            //else

            //{

                //for(int y=0;y<=colnum;y++)

                //{

                //  Console.Write(y.ToString()+ " ");

                //}

            //}

        }

     //Console.Read();

    }

}