#include<bits/stdc++.h>
using namespace std;
int main(){
	int n,i,j,o;
	cin>>n;
	for(i=1;i<=n;i++){
		for(o=1;o<=3;o++){
				for(j=1;j<=n-i;j++){
			cout<<" ";
		}
		for(j=1;j<=i*2-1;j++){
			cout<<"*"; 
			
		}
		for(j=1;j<=n-i;j++){
			cout<<" ";
		}
		}
	
		cout<<endl;
		
	} 


	return 0;
}

/**************************************************************
	Problem: 1006
	User: cyp
	Language: C++
	Result: Accepted
	Time:4 ms
	Memory:2072 kb
****************************************************************/