#include<iostream>
#include<cstdio>
#include<cmath>
using namespace std;
int main(){
int n;
while(true){
cin >> n;
if(n == 0){
break;
}
for(int i=1;i<=n;i++){
for(int j=1;j<=n;j++){
cout<<abs(i-j)+1<<" ";
}
cout<<endl;
}
cout<<endl;
}
return 0;
}