#include <bits/stdc++.h>
using namespace std;

int main() {
	int a;
	cin >> a;
	a = a + 1;
	for (int i = 1; i <= a; i++) {
		for (int j = 1; j <= a - i; j++) {
			cout << " ";
		}
		for (int k = 1; k <= i * 2 - 1; k++) {
			cout << "*";
		}
		cout << endl;
	}
	for (int i = a - 1; i >= 1; i--) {
		for (int j = 1; j <= a - i; j++) {
			cout << " ";
		}
		for (int k = i * 2 - 1; k >= 1; k--) {
			cout << "*";
		}
		cout << endl;
	}
	return 0;
}