class biga {
  public static void main(String[] args) {

    System.out.println("      A");
    System.out.println("     AA");
    System.out.print("    AA");
    System.out.println(" AA");
    System.out.print("   AA");
    System.out.println("   AA");
    System.out.print("  AA");
    System.out.println(" AAAAAA");
    System.out.print(" AA");
    System.out.println("       AA");
    System.out.print("AA");
    System.out.println("         AA");
  }
}