#include <iostream>
#include <iomanip>
using namespace std;

int main() {
    int n;
    cin >> n;
    int arr[10][10];
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= n; j++) {
            arr[i][j] = min(n - i + 1, n - j + 1);
        }
    }
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= n; j++) {
            cout << setw(3) << arr[i][j];
        }
        cout << endl;
    }
    
    return 0;
}
/**************************************************************
	Problem: 1198
	User: panyuchen
	Language: C++
	Result: Wrong Answer
****************************************************************/