10. Diamond

/**
 * Project: Drawing_With_Loops - created by borkins on 2017-04-03.
 */

import java.util.Scanner;

public class _10_Diamond
{
    public static void main(String[] args)
    {
        Scanner console = new Scanner(System.in);
        StringBuilder outer = new StringBuilder();
        StringBuilder inner = new StringBuilder();

        int n = Integer.parseInt(console.nextLine());

        boolean isEven = (n % 2 == 0);
        int rows = n - (isEven ? 1 : 0);

        outer.append(new String(new char[rows / 2]).replace("\0", "-"));
        inner.append(isEven ? "--" : "-");

        String peak = outer + (isEven ? "**" : "*") + outer;

        for (int row = 0; row < rows; row++)
        {
            if (row == 0 || row == n - 1) {
                System.out.println(peak);
                continue;
            }

            if (row <= n / 2 && outer.length() > 0) {
                outer.setLength(outer.length() - 1);
                if (row > 1) inner.append("--");
            }
            else {
                outer.append("-");
                inner.setLength(inner.length() - 2);
            }
            System.out.println(outer + "*" + inner + "*" + outer);
        }
    }
}