#include<bits/stdc++.h>
using namespace std;
int N;
int main(){
	scanf("%d",&N);
	for(int i=1;i<=N;i++){
		for(int j=1;j<=3;j++){
			for(int k=1;k<=N-i;k++) putchar(' ');
			for(int k=1;k<=i*2-1;k++) putchar('*');
			for(int k=1;k<=N-i;k++) putchar(' ');
		}
		putchar('\n');
	}
	return 0;
}
/**************************************************************
	Problem: 1006
	User: chenxurui
	Language: C++
	Result: Accepted
	Time:5 ms
	Memory:2072 kb
****************************************************************/