#include <iostream>

using namespace std;

const int N = 110;
int arr[N][N];

int main(void)
{
    int n;

    while (cin >> n) {
        if (n == 0) break;
        for (int i = 0; i < n; i++) {
            arr[0][i] = i + 1;
            arr[i][0] = i + 1;
        }

        for (int i = 1; i < n; i++) {
            for (int j = 1; j < n; j++) {
                arr[i][j] = arr[i-1][j-1];
            }
        }

        for (int i = 0; i < n; i++) {
            for (int j = 0; j < n; j++) {
                cout << arr[i][j] << ' ';
            }
            cout << endl;
        }
        cout << endl;
    }

    return 0;
}