#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++) {
int x = abs(i-j) + 1;
cout<<x<<" ";
}
cout<<endl;
}
cout<<endl;
}
return 0;
}