#include <iostream>
using namespace std;
int main ()
{
    int n;
    cin >> n;

    for ( int i = 0 ; i < n ; i ++ )
    {
        for ( int j = 0 ; j < n ; j ++ )
        {
            if ( n/2 <= i && i <= n - 1 && n/2 <= j && j <= n - 1 )
            {
                if ( i + j <= n/2 + n - 1 )
                {
                    if ( i != n/2 && j != n/2 )
                    {
                        cout << "*";
                    }
                }

                else 
                {
                    cout << " ";
                }
            }

            if ( n/2 <= i && i <= n - 1 && 0 <= j && j <= n/2 )
            {
                if ( j >= i - n/2 )
                {
                    if ( i != n/2 && j != n/2 )
                    {
                        cout << "*";
                    }
                }

                else 
                {
                    cout << " ";
                }
            }

            if ( 0 <= i && i <= n/2 && 0 <= j && j <= n/2 )
            {
                if ( i + j >= n/2 )
                {
                    if ( i != n/2 && j != n/2 )
                    {
                        cout << "*";
                    }
                }

                else 
                {
                    cout << " ";
                }
            }

            if ( 0 <= i && i <= n/2 && n/2 <= j && j <= n - 1 )
            {
                if ( j + (j - n/2) <= i + j )
                {
                    if ( i != n/2 && j != n/2 )
                    {
                        cout << "*";
                    }
                }

                else 
                {
                    cout << " ";
                }
            }

            if ( i == n/2 || j == n/2 )
            {
                cout << "*";
            }
        }

        cout << '\n';
    }


    return 0;
}