d1_1

/**
*
* Solution to homework assignment 1
* Introduction to programming course
* Faculty of Mathematics and Informatics of Sofia University
* Winter semester 2021/2022
*
* @author Monika Dobrinova
* @idnumber 8MI0600008
* @task 1
* @compiler VC
*
*/

#include <iostream>
using namespace std;
int main()
{
    int n;
    cin >> n;

    if (n >= 1 && n <= 9)
    {
        for (int i = 1; i <= n; i++)
        {
            int k = 1;
            while (k < i)
            {
                cout << " ";
                k++;
            }
            for (int j = i; j <= n; j++)
            {
                cout << j;
            }
            cout << endl;
        }
        int counter = n - 1;
        for (int i = 1; i < n; i++)
        {
            for (int k = 1; k <= n - 1; k++)
                cout << " ";

            counter--;
            for (int j = n; j > counter; j--)
            {
                cout << j;
            }
            cout << endl;
        }
    }
    else
    {
        cout << "-1";
    }

    return 0;
}