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

int main(){
	ios::sync_with_stdio(false);
	cin.tie(0);
	cin>>n;
	int h=n*2-1;
	for(int i=1;i<=n;i++){
		for(int k=1;k<=3;k++){
			for(int j=1;j<=(h-(i*2-1))/2;j++){
				cout<<' ';
			}
			for(int j=1;j<=i*2-1;j++){
				cout<<'*';
			}
			for(int j=1;j<=(h-(i*2-1))/2;j++){
				cout<<' ';
			}
		}
		cout<<endl;
	}
	
	return 0;
}

/**************************************************************
	Problem: 1006
	User: liangshinan
	Language: C++
	Result: Accepted
	Time:4 ms
	Memory:2228 kb
****************************************************************/