import java.io.BufferedReader;

import java.io.IOException;

import java.io.*;

public class diamondPattern {

public static void main(String[] args) throws IOException {

BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));

int n = reader.read();

int space = n - 1;

for (int i = 0; i < n; i++) {

// loop for initially space,

// before star printing

for (int j = 0; j < space; j++)

System.out.print(" ");

// Print i+1 stars

for (int j = 0; j <= i; j++)

System.out.print("* ");

System.out.print("\n");

space--;

}

space = 1;

// run loop (parent loop)

// till number of rows

for (int i = n - 1; i > 0; i--) {

// loop for initially space,

// before star printing

for (int j = 0; j < space; j++)

System.out.print(" ");

// Print i stars

for (int j = 0; j < i; j++)

System.out.print("* ");

System.out.print("\n");

space++;

}

}

}