#include<bits/stdc++.h>
using namespace std;
int a[200][200];
int n,c=1;
int main()
{
    cin>>n;
    for(int i=1;i<=n;i++){
        for(int j=1;j<=n;j++){
            if(i<=j){
                a[i][j]=j;
            }
            else{
                a[i][j]=i;
            }   
              
        }
    }
    for(int i=1;i<=n;i++){
        for(int j=1;j<=n;j++){
                cout<<setw(3)<<a[i][j]; 
        }
        cout<<endl;
    }
    return 0;
}
/**************************************************************
	Problem: 1199
	User: wuhanyu
	Language: C++
	Result: Accepted
	Time:9 ms
	Memory:2228 kb
****************************************************************/