#include<bits/stdc++.h>
using namespace std;
int main()
{
	int i,j,n,k=0,o=1,h=1,g;
	cin>>n;
	k=o+(n-1)*2;
	for(i=1;i<=n;i++){	
		for(g=1;g<=3;g++){
			for(j=1;j<=(k-o)/2;j++){
				cout<<" ";
			}
			for(h=1;h<=o;h++){
				cout<<"*";
			}	
			for(j=1;j<=(k-o)/2;j++){
				cout<<" ";
			}
		}	
		cout<<endl;	
		o+=2; 
	}
return 0;

}

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