#include <iostream>
#include <cmath>
using namespace std;
// 找规律
// 规律1：输出的元素为abs(i-j) + 1
int main(){
    int N;
    while (cin >> N,N){
        for (int i = 0;i < N;i++){
            for (int j = 0; j < N;j++){
                int ABS = abs(i-j);
                cout << 1 + ABS << " " ;
            }
            cout << endl;
        }
        cout << endl;
    }
    return 0;
}

//规律2：先输出对角线1，再向下右输出234
int num[100][100]; // 数组太大，写成全局变量，防止写成局部变量栈区溢出
int main(){
    int n;
    while(cin >> n,n)
    {
        for (int i =0;i < n;i++){
            num[i][i] = 1;
            for (int j = i+1,k = 2;j < n;j++,k++) num[i][j] = k; // 向右输出
            for (int j = i+1,k = 2;j < n;j++,k++) num[j][i] = k; // 向下输出
        }
        for (int i = 0;i < n;i++){
            for (int j = 0;j < n; j++){
                cout << num[i][j] << " ";
            }
            cout << endl;
        }
        cout << endl;
    }
    return 0;
}