#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int main(int argc, char **argv)
{
	int t, n, i, j, k;
	char ch;
	while(scanf("%d %c", &n, &ch) != -1)
	{
		for (i = 0; i < 4 * n + 7; i++)
		{
			printf("-");
		}
		printf("\n");
		
		for (i = 0; i < 4 * n + 7; i++)
		{
			if (i == 0 || i == 4 * n + 6) 
			{
				printf("|");	
			}
			else
			{
				printf(" ");
			}
		}
		printf("\n");
		
		for (j = 0; j < n; j++)
		{
			printf("| ");
			for (t = 0; t < n; t++)
			{
				
							if (t == 0 || t == n - 1 || j == n / 2 )
							{
								printf("%c", ch);
							}
							else
							{
								printf(" ");
							}
			}
			printf(" ");
			for (t = 0; t < n; t++)
			{
							if ((j == 0 || j == n - 1 || j + t == n - 1) && j != n)
							{
								printf("%c", ch);
							}
							else
							{
								printf(" ");
							}
			}
			printf(" ");
			for (t = 0; t < n; t++)
			{
							if ((t == 0 || t == n - 1 || t == j) && t != n)
							{
								printf("%c", ch);
							}
							else
							{
								printf(" ");
							}
			}
			printf(" ");
			for (t = 0; t < n; t++)
			{
							if ((t == 0 || t == n - 1 || j == n - 1) && t != n)
							{
								printf("%c", ch);
							}
							else
							{
								printf(" ");
							}
			}
			printf(" |\n");
		}
		
		
		for (i = 0; i < 4 * n + 7; i++)
		{
			if (i == 0 || i == 4 * n + 6) 
			{
				printf("|");	
			}
			else
			{
				printf(" ");
			}
		}
		printf("\n");
		
		for (i = 0; i < 4 * n + 7; i++)
		{
			printf("-");
		}
		printf("\n");
	}
	return 0;
}