#include<bits/stdc++.h>
using namespace std;
int main()
{
     
    int n;
    cin>>n;
    for(int i=1 ; i<=n ; i++){
        for(int j=1 ; j<=n ; j++){
            cout<<setw(3)<<(i < j ? i : j);
        }
        cout<<endl;
    }
}
/**************************************************************
	Problem: 1196
	User: chenjiahui
	Language: C++
	Result: Accepted
	Time:16 ms
	Memory:2072 kb
****************************************************************/