#include <iostream>
using namespace std;

//#define abs(x)	((x) >= 0 ? (x) : -(x))
int main()
{
	int a, b, c;
	cin >> c;
	for (a = -c + 1; a < c; a++) {
		for (b = -c + 1; b < c; b++)
			cout << (abs(a) + abs(b) < c ? ' ' : '*');
		cout << endl;
	}
	return 0;
}