"Nice One Program"
import java.util.*;
import java.lang.*;
import java.io.*;
/*
N - is always Even
n = 10
****00****
***0**0***
**0****0**
*0******0*
0********0
*0******0*
**0****0**
***0**0***
****00****
for n = 4
*00*
0**0
*00*
for n = 8
***00***
**0**0**
*0****0*
0******0
*0****0*
**0**0**
***00***
for n = 14
******00******
*****0**0*****
****0****0****
***0******0***
**0********0**
*0**********0*
0************0
*0**********0*
**0********0**
***0******0***
****0****0****
*****0**0*****
******00******
*/
public class Solution
{
public static void main (String[] args) throws java.lang.Exception
{
Scanner sc=new Scanner(System.in);
int n=sc.nextInt();
int x=0,x1=0;
int y1=n/2;
int y;
y=y1-1;
boolean flag=true;
for(int i=0;i<n-1;i++)
{
//if(i==(n/2))flag=false;
for(int j=0;j<n;j++)
{
if((i==x && j==y) || (i==x1 && j==y1) )
{
System.out.print(" 0 ");
if((i==x && j==y))
{
x++;
if(x<(n/2))
y--;
else
y++;
}
else
{
x1++;
if(x1<(n/2))
y1++;
else
y1--;
}
}
else
{
System.out.print(" * ");
}
}
System.out.println();
}
}
}
