/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		 Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
 
        for (int i = n-1; i >= 0; i--) {
        	for(int k =i ;k>0;k--)
           {
	         System.out.print(" ");
          }	
          	for(int j =1;j<=(n-i);j++)
           {
	         System.out.print(j);
          }
          System.out.println();
        }
	}
}

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NQ==

5