#include<bits/stdc++.h>
using namespace std;
int n,a[20][20];
int main(){
cin>>n;
for(int i=1;i<=n;i++){
		int x=1;
	for(int j=1;j<=n;j++){
	
		if(i<=j) a[i][j]=x++;
	
		}
}
for(int i=1;i<=n;i++){
	for(int j=1;j<=n;j++){ 
if(a[i][j]==0)	cout<<setw(5)<<" ";
		cout<<setw(5)<<a[i][j];
	}
	cout<<endl;
}
	return 0;
}

/**************************************************************
	Problem: 1204
	User: lihean
	Language: C++
	Result: Wrong Answer
****************************************************************/