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

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