package ow222ea_assign2;
import java.util.Scanner;
public class Diamonds {
	public static void main(String[] args) {
		Scanner input = new Scanner(System.in);
		System.out.print("Give a postive number: ");
		int number = input.nextInt();
		int startandfinishspaces = number -1;
		int firstlinestar = 1;
		int maxstars = number*2 - 1;
		for(int i=0;i<number;i++){
			for(int j=0;j<startandfinishspaces;j++) {
				System.out.print(" ");
			}
			for(int k=0;k<firstlinestar;k++) {
				System.out.print("*");
			}
			startandfinishspaces--;
			firstlinestar+=2;
			System.out.println(" ");
		}
		for(int i=-1;i>=1;i--){
			for(int j=-1;j<startandfinishspaces+2;j++) {
				System.out.print(" ");
			}
			for(int k=1;k>=maxstars-4;k++) {
				System.out.print("*");
			}
			startandfinishspaces--;
			maxstars-=2;
			System.out.println(" ");

			input.close();
		}
	}
}