/*#include <stdio.h>
int main()
{
int a,b,i,j;
scanf ("%d %d",&a,&b);
for (i=a;i<=b;i++)
{
for (j=1;j<10;j++)
{
printf ("%d*%d=%d \n",i,j,i*j);
}
}
return 0;
}
*/
#include <stdio.h>
int main ()
{
int a,i,j;
scanf ("%d",&a);
for (i=1;i<=a*2;i++)
{
for (j=0;j<a*2;j++)
{
if (i+j==a||i+a==j+1||i-1-a==j||i+j==a*3)
{
printf ("*");
}
else
{
printf (" ");
}
}printf ("\n");
}
}