{}
import java.util.*;
class Pattern {
public static void main(String[] args)
{
Scanner sc= new Scanner(System.in);
System.out.print("enter the value of row =");
int n=sc.nextInt();
for(int i=1; i<=n; i++){
for(int j=1; j<=n; j++){
if(i==j || i+j==n+1)
System.out.print("*"+" ");
else
System.out.print(" "+" ");
}
System.out.println();
}
}
}