include <stdio.h>

using namespace std;
int main()
{int a,i,b;
int c;

while(scanf("%d",&a)!=EOF){
a+=1;
for(i=0;i<a;i++){
for(b=0;b<a-i-1;b++){
printf(" ");
}
for(b=0;b<=i;b++){
printf("* ");
}
printf("\n");
}
c=a-1;
for(i=c;i>0;i--){
printf(" ");
for(b=0;b<=c-i-1;b++){
printf(" ");
}
for(b=0;b<i;b++){
printf("* ");
}
printf("\n");
}
}
return 0;
}