#include <stdio.h>
int main()
{
    int n = 0;
    while(scanf("%d",&n) != EOF)
    {
      //将菱形分成两部分 上部是n+1行打印 下部是n行打印
        for (int i = 0; i < n+1; i++)
        {
            for (int j = 0; j < n-i; j ++)
            {
                printf(" ");
            }
            for (int j = 0; j <=  i ;j++)
            {
                printf("* ");
            }
            printf("\n");
        }
        
        for (int i = 0; i < n; i++)
        {
            for(int j = 0; j <= i; j++)
            {
                printf(" ");
            }
            for (int j = 0; j < n-i;j++)
            {
                printf("* ");
            }
            printf("\n");
        }
    }
    
    
    return 0;
}