import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
while(sc.hasNext())
{
int n=sc.nextInt();
for(int i=1;i<=n;i++)
{
for(int j=i;j<=n+1;j++)
{
System.out.print("* ");
}
System.out.println();
}
System.out.println("*");
for(int i=1;i<=n;i++)
{
for(int j=1;j<=i+1;j++)
{
System.out.print("* ");
}
System.out.println();
}
}
}
}

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