#include<bits/stdc++.h>
using namespace std;
int main(){
	int n,a[150][150];
	cin>>n;
	for(int i=1;i<=n;i++){
		for(int j=i;j<=n;j++){
		a[i][j]=j-i+1;
		}
	}
	for(int i=1;i<=n;i++){	
		for(int j=1;j<=n;j++){
			if(a[i][j]==0){
				cout<<setw(5)<<"  ";
		    }else{
		        cout<<setw(5)<<a[i][j];
				
			}
		}
		cout<<endl;
	}
}

/**************************************************************
	Problem: 1204
	User: lihean
	Language: C++
	Result: Accepted
	Time:9 ms
	Memory:2072 kb
****************************************************************/