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