package PracticePattern;
import java.util.Scanner;
public class PracticePattern11 {
public static void main(String[] args) {
System.out.println("pattern 11");
Scanner scan = new Scanner(System.in);
int n = scan.nextInt();
int rows = 1 ;
int nsp =n-1;
int nst = 1;
while(rows<=n)
{
//work for spaces
for(int csp=1;csp<=nsp;csp++)
{
System.out.print(" ");
}
//work for stars
for(int cst = 1; cst <=nst ;cst ++)
{
if(rows%2==0 || cst%2!=0)
{
System.out.print(" ");
}
else if (rows % 2!=0 || cst % 2 ==0 )
{
System.out.print("*");
}
}
//preparation
System.out.println();
nst=nst+2;
nsp--;
rows++;
}
}