#include <bits/stdc++.h>
using namespace std;

int main(){
	int a[100][100] = {0};
	int i,j,n;
	cin>>n;
	
	for (i = 0;i < n;i++){
		for (j = 0;j <= i;j++){
			a[i][j + n - i - 1] = j + 1;
		}
	}
	
	for (i = 0;i < n;i++){
		for (j = 0;j < n;j++){
			if (a[i][j] == 0){
				cout<<setw(5)<<" ";
			}else{
				cout<<setw(5)<<a[i][j];
			}
		}
		cout<<endl;
	}
}
/**************************************************************
	Problem: 1206
	User: admin
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2072 kb
****************************************************************/