#include <iostream>
#include <bits/stdc++.h>
using namespace std;
int main()
{
	char a = '*';
	int n;
	cin >> n;
	for(int i = 1 ;i <= n ;i++){
		int jian = i-1;
		for(int j = 1 ;j <= 3*(2*n-1) ;j++){
			if(j >= n - jian && j <= n + jian){
				cout << a;
			}else if(j >= 3*n - 1 - jian && j <= 3*n - 1 + jian){
				cout << a;
			}else if(j >= 5*n - 2 - jian && j <= 5*n - 2 + jian){
				cout << a;
			}else{
				cout << " ";
			}
		}
	    cout << endl;
	}
	return 0;
}