#include<bits/stdc++.h>
using namespace std;
int main()
{
    while(1)
    {
        int n;
        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;
}