package test;

import java.util.Scanner;

public class Test2 {

	public static void main(String[] args) {

		Scanner keyboard = new Scanner(System.in);

		System.out.println("input : ");

		int n = keyboard.nextInt();

		for (int j = 1; j <= n; j++) {
			int v = 0;
			for (int i = n; i > 0; i--) {
				if (j == i) {
					v = i;
				}
				if (i != n) {
					System.out.print(",");
				}
				System.out.print(v);
				if (v > 0) {
					v = v - 1;
				}
			}
			System.out.println();
		}

	}

}