package spurs_ping;
import java.util.Scanner;
/*输入一个正整数, 输出具有n层的上三角数字三角形.
*/
public class nets_spurs_ping20 {
public static void main(String[] args) {
// TODO Auto-generated method stub
Scanner scanner =new Scanner(System.in);
int n=scanner.nextInt();
int k=1;
int t=n;
for(int i=0;i<n;i++)
{
for(int j=0;j<t;j++)
{
System.out.printf("%4d",k);
k++;
}
t–;
System.out.println();
}
}
}