using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace batman
{
    class Program
    {
        static void Main(string[] args)
        {
            int s = int.Parse(Console.ReadLine());
            char c = char.Parse(Console.ReadLine());
            int width = s * 3;
            int height = s + 1;


            for (int row = 0; row < (s / 2) - 1; row++)
            {
                Console.Write(new string(' ', row));
                Console.Write(new string(c, s - row));
                Console.Write(new string(' ', s));
                Console.Write(new string(c, s - row));
                Console.WriteLine();
            }

            //Console.Write(new string(' ', s / 3));
            //Console.Write(new string(c, (s / 2) + 2 ));
            //Console.Write(new string(' ', s / 3));
            //Console.Write(new string(c, 1));
            //Console.Write(new string(' ', 1));
            //Console.Write(new string(c, 1));
            //Console.Write(new string(' ', s / 3));
            //Console.Write(new string(c, (s / 2) + 2));
            //Console.WriteLine();

            Console.Write(new string(' ', s / 3));
            Console.Write(new string(c, s - (s / 3)));
            Console.Write(new string(' ', (s - 3) / 2));
            Console.Write(new string(c, 1));
            Console.Write(new string(' ', 1));
            Console.Write(new string(c, 1));
            Console.Write(new string(' ', (s - 3) / 2));
            Console.Write(new string(c, s - (s / 3)));
            Console.Write(new string(' ', s / 3));
            Console.WriteLine();


            for (int i = 0; i < s / 3; i++)
            {
                Console.Write(new string(' ', s / 2));
                Console.Write(new string(c, 2 * s + 1));
                Console.Write(new string(' ', s / 2));
                Console.WriteLine();
            }

            int empty = s + 1;
            int full = s - 2;

            while (full > 0)
            {
                Console.Write(new string(' ', empty));
                Console.Write(new string(c, full));
                Console.Write(new string(' ', empty));
                Console.WriteLine();

                full -= 2;
                empty += 1;
            }

            //for (int i = 1; i < s / 3; i++)
            //{
            //    Console.Write(new string(' ', width / 3 + i));
            //    Console.Write(new string(c, width / 3 - (i * 2)));
            //    Console.Write(new string(' ', width / 3 + i));
            //    Console.WriteLine();

            //}
            //Console.Write(new string(' ', width / 2 - 1));
            //Console.Write(new string(c, 3));
            //Console.Write(new string(' ', width / 2));
            //Console.WriteLine();
            //Console.Write(new string(' ', width / 2));
            //Console.Write(new string(c, 1));
            //Console.Write(new string(' ', width / 2));
            //Console.WriteLine();
        }
    }
}