{}
import java.util.*;
class Pattern {
public static void main(String[] args) {
Scanner sc=new Scanner(System.in);
System.out.print("enter the rows=");
int n=sc.nextInt();
int nsp=n-1;
int nst=1;
for(int i=1; i<=n; i++){
for(int j=1; j<=nsp; j++){
System.out.print(" "+" ");
}
for(int j=1; j<=nst;j++){
System.out.print("*"+" ");
}
nsp--;
nst+=2;
System.out.println();
}
nsp=1;
nst-=4;
for(int i=1; i<=n-1; i++){
for(int j=1; j<=nsp; j++){
System.out.print(" "+" ");
}
for(int j=1;j<=nst; j++){
System.out.print("*"+" ");
}
nsp++;
nst-=2;
System.out.println();
}
}
}