/*N=5 i space digit

1 2 3 4 5 1 0 5

2 3 4 5 2 1 4

3 4 5 3 2 3

4 5 4 3 2

5 5 4 1

1 2 3 4 5 i i-1 n-(i-1)

*/

import java.util.Scanner;

public class Ptrn49

{

public static void main(String[] args)

{

Scanner sc=new Scanner(System.in);

System.out.println("enter the no of lines: ");

int n=sc.nextInt();

for(int i=1;i<=n;i++) //row

{

int k=i;

for(int j=1;j<=i-1;j++) //space

{

System.out.print(" ");

}

for(int j=1;j<=n-(i-1);j++) //digits

{

System.out.print(k+" ");

k++;

}

System.out.println();

sc.close();

}

}

}