#include<iostream>
using namespace std;
const int N=105;
int a[N][N];
int main()
{
    int n;
    while(cin>>n,n!=0)
    {
        for(int i=1;i<=n;i++)
        {
            for(int j=1;j<=n;j++)
            {
                if(j==i) a[i][j]=1;
                else if(j<i) a[i][j]=a[i-1][j]+1;
                else a[i][j]=a[i][j-1]+1; 
                cout<<a[i][j]<<" ";
            }
            cout<<endl;
        }
        cout<<endl;
    }
    return 0;
}