MAtrix

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int n = scanner.nextInt();

        int[][] array = new int[n][n];
        for (int i = 0; i < array.length; i++) {
            for (int j = 0; j < array[i].length; j++) {
                array[i][j] = Math.abs(-1 * i + j);
            }
        }

        for (int[] innerArray : array) {
            for (int element : innerArray)
                System.out.print(element + " ");
            System.out.println();
        }
    }
}