import java.util.*;
public class Main {
public static void main(String args[]) {
Scanner sc=new Scanner(System.in);
int n=sc.nextInt();
char c = sc.next().charAt(0);
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n-i;j++)
{
System.out.print(" ");
}
if(i==1 || i==n)
for(int j=1;j<=n;j++)
{
System.out.print(c);
}
else
{
for(int j=1;j<=n;j++)
{
if(j==1 || j==n)
System.out.print(c);
else
System.out.print(" ");
}
}
System.out.println();
}
}
}
many test case not pass ,please hepl me