#include <iostream>
using namespace std;
int main()
{
int n, i, j;
cin >> n;
for (i = 1; i <= n; i++)
{
for (j = 1; j <= n - i; j++)
cout << "#";
for ( j = 1; j <= 2 * i - 1; j++)
cout << "*";
for (j = 1; j <= n - i; j++)
cout << "#";
cout << endl;
}
for (i = n - 1; i >= 1; i--)
{
for (j = 1; j <= n - i; j++)
cout << "#";
for (j = 1; j <= 2 * i - 1; j++)
cout << "*";
for (j = 1; j <= n - i; j++)
cout << "#";
cout << endl;
}
return 0;
}
