#include <iostream>
using namespace std;
int n;
int main(){
	cin >> n;
	for(int i = 1; i <= n; i++){
		for(int j = n - i; j >=1; j--)
			putchar(' ');
		putchar('*');
		for(int j = (i - 1) * 2; j >=1; j--)
			putchar(' ');
		if(i == 1) cout<<"***";
		else cout<<"   ";
		putchar('*');
		putchar('\n');
	}
	for(int i = n-1; i >= 1; i--){
		for(int j = n - i; j >=1; j--)
			putchar(' ');
		putchar('*');
		for(int j = (i - 1) * 2; j >=1; j--)
			putchar(' ');
		if(i == 1) cout<<"***";
		else cout<<"   ";
		putchar('*');
		if(i!=1) putchar('\n');
	}
}
/**************************************************************
	Problem: 1011
	User: long
	Language: C++
	Result: Accepted
	Time:4 ms
	Memory:2072 kb
****************************************************************/