##BC105菱形图案##

int main()
{
    int n;
    while (scanf_s("%d", &n) != EOF) 
    {
        //上半
        for (int i = 0; i <= n; i++) 
        {
            for (int j = 0; j <= n; j++) 
            {
                if (j < n - i)
                    printf(" ");
                else
                    printf("* ");
            }
            printf("\n");
        }
        //下半
        for (int i = 0; i < n; i++) 
        {
            for (int j = n + 1; j > 0; j--) 
            {
                if (j > n - i)
                    printf(" ");
                else
                    printf("* ");
            }
            printf("\n");
        }
    }
    return 0;
}