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

int main() {
    int n;
    cin >> n;
    
    int matrix[10][10];
    
    // 填充矩阵
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < n; j++) {
            if (i == j) {
                matrix[i][j] = i + 1;
            } else if (i < j) {
                matrix[i][j] = matrix[j][i] = n * (i + 1) - j;
            }
        }
    }
    
    // 输出矩阵
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < n; j++) {
            cout << setw(5) << matrix[i][j];
        }
        cout << endl;
    }
    
    return 0;
}    
/**************************************************************
	Problem: 1404
	User: fuyijun
	Language: C++
	Result: Wrong Answer
****************************************************************/