686

using System;
using System.Collections.Generic;
using System.Text;

namespace ExamTasks
{
    class Program
    {
        static void Main(string[] args)
        {
            int n = int.Parse(Console.ReadLine());
            int[,] matrix = new int[n, n];
            for (int i = 0; i < n; i++)
                for (int j = 0; j < n; j++)
                {
                    matrix[i, j]++;
                    if (j >= n / 2)
                        matrix[i, j]++;
                    if (i >= n / 2)
                        matrix[i, j] += 2;
                }
            for (int i = 0; i < n; i++)
            {
                for (int j = 0; j < n; j++)
                    Console.Write(matrix[i, j] + "\t");
                Console.WriteLine("");
            }
        }
    }
}