#include <stdio.h>

int main(void) {
  // Initialize variables
  int level;
  scanf("%d", &level);

  // Iterate over lines and print rhombus
	// Upper half
  for (int i = 1; i <= level; i++) {
    for (int k = 0; k < level - i; k++) {
      printf(" ");
    }
    for (int j = 0; j < i * 2 - 1; j++) {
      printf("*");
    }
    printf("\n");
  }
	// Lower half
  for (int i = level - 1; i > 0; i--) {
    for (int k = 0; k < level - i; k++) {
      printf(" ");
    }
    for (int j = 0; j < i * 2 - 1; j++) {
      printf("*");
    }
    printf("\n");
  }

  return 0;
}