pallindromic_number_pattern

import java.util.*;

public class NumberPallindromic {
    public static void main(String[] args) {
        
        Scanner sc=new Scanner(System.in);

        int n=sc.nextInt();

        int st=1;
        int sp=n-1;
                sc.close();
        int number_of_line=1;

        while (number_of_line <=n) {

            //print spaces
            for(int i=0; i < sp; i++){

                System.out.print("  ");
            }

            //print numbers

            int current_num=number_of_line;

            for(int i=0; i<st; i++){

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

                if(i < st/2){

                    current_num--;

                }else{
                    
                    current_num++;
                }
            }

            //next line
            System.out.println();
            sp--;
            st+=2;
            number_of_line++;

            
        }


    }
}