#include<iostream>
#include<cmath>
using namespace std;
int main(){
    int n;


    while(cin>>n,n){
        for(int i=0;i<n;i++){
            for(int j=0;j<n;j++){
                cout<<abs(i-j)+1<<" ";
            }
            cout<<endl;
        }
       cout<<endl;

    }


        return 0;
    }