#include<bits/stdc++.h>
using namespace std;
int main(){
	int i,j,n,a[150][150]={0};
	cin>>n;
	for(i=1;i<=n;i++){
		for(j=i;j<=n;j++){
		a[i][j]=j-i+1;
		}
	}
	for(i=1;i<=n;i++){
		for(j=1;j<=n;j++){
			if(a[i][j]!=0){
				cout<<setw(5)<<a[i][j];	
			}else{
				cout<<setw(5)<<" ";
			}
		}
		cout<<endl;
	}
	
}     
/**************************************************************
	Problem: 1204
	User: wuzhijing
	Language: C++
	Result: Accepted
	Time:10 ms
	Memory:2072 kb
****************************************************************/