#include "stdafx.h"
#include <Windows.h>
#include <iostream>
#include <math.h>
#include <string>

using namespace std;



int main()
{
    SetConsoleCP(1251);
    SetConsoleOutputCP(1251);
    setlocale(LC_ALL, "Russian");
    int N, mas[100][100];
    cin >> N;
    if (N == 1)
        cout << 1 << endl;
    else
    {
        for (int i = 0; i < N; i++)
        {
            for (int j = 0; j < N; j++)
            {
                mas[i][j] = 0;
            }
        }
        for (int i = 0; i < N - 1; i++)
        {
            for (int j = 0; j < N; j++)
            {
                if (i == j)
                {
                    mas[i][j] = 1;
                }
            }
        }
        for (int i = 0; i < N; i++)
        {
            for (int j = 0; j < N; j++)
            {
                if ((i == 0) || (i == N - 1))
                {
                    mas[i][j] = 1;
                }
            }
        }
        for (int i = 0; i < N; i++)
        {
            for (int j = 0; j < N; j++)
            {
                cout << mas[i][j] << " ";

            }
            cout << endl;
        }
    }

    system("pause");
    return 0;
}