#include<bits/stdc++.h>
using namespace std;
int main(){
	int n,i,j,c;
	cin>>n;
	for(i=1;i<=n;i++){
		for(c=1;c<=3;c++){
		    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: lijinkai
	Language: C++
	Result: Accepted
	Time:5 ms
	Memory:2072 kb
****************************************************************/