import java.util.*;
    public class Main{
        public static void main(String args[]){
            Scanner sc=new Scanner(System.in);
            int n=sc.nextInt();
            for(int i=1;i<=n;i++){
            	for(int j=1;j<i;j++){
            		System.out.print(" ");
            	}
            	for(int z=1;z<=n-i+1;z++){
            		System.out.print(z+"");
            	}
            System.out.println();
            }
    }
}
/**************************************************************
	Problem: 1491
	User: admin
	Language: Java
	Result: Accepted
	Time:949 ms
	Memory:42308 kb
****************************************************************/