#include<stdio.h>
#define int sabari;
int main()
{
    sabari n,i,j,s,l;
    scanf("%d",&n);
    for(i=-n;i<=n;i++)
    {
        if(i<0)
            l=-i;
        else
            l=i;
        for(j=0;j<n+1;j++)
        {
            if(j<n-l)
            printf(" ");
            else
            printf("* ");
        }
        printf("\n");
    }
    return 0;
}