#include <iostream>
using namespace std;
int main(){
    int n;
    while(cin >> n, n){
        for(int i = 1; i <= n; i ++ ){
            for(int j = 1; j <= n; j ++ ){
                if(i == j)  cout << 1 << ' ';
                else    cout << abs(j - i) + 1 << ' ';
            }
            cout << endl;
        }
        cout << endl;
    }
    return 0;
}