#include<bits/stdc++.h>
using namespace std;
int main(){
	int i,j,n,s;
	cin>>n;	
	for(i=1;i<=n;i++){
		for(s=1;s<=3;s++){
			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;	
}
}

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