#include<iostream>
#include<cstdio>

using namespace std;

int main()
{
    int n,num;
    cin >> n;
    num = n;
    int m;
    if(n == 1)
    {
        cout << "*" <<endl;
        return 0;
    }
    for(int i = 1 ; i < n; )
    {
        m = i;
        for (int  j = 1; j <= (num - i) / 2; j++ )
        {
            cout << " ";
        }
        for (int  k = (num - i) / 2 + 1; k <= n - (num - i) /2; k++)
        {
            cout<< "*";
        }
        for(int z = n - (num - i) / 2 + 1; z <= n; z ++)
        {
            cout << " ";
        }
        cout << endl;
        i = i + 2;
    }
    for(int j = 0; j < n; j++)
    {
        cout << "*";
    }
    cout << endl;
    for(int i = m; i >= 0;)
    {
        for (int  j = 1; j <= (num - i) / 2; j++ )
        {
            cout << " ";
        }
        for (int  k = (num - i) / 2 + 1; k <= n - (num - i) /2; k++)
        {
            cout<< "*";
        }
        for(int z = n - (num - i) / 2 + 1; z <= n; z ++)
        {
            cout << " ";
        }
        cout << endl;
        i = i - 2;
    }

    return 0;
}