9
 8
 6
 4
 7
 5
 2

1  2  3  4  5  6  7  8 
2  4  6  8 11 13 15 17 
3  6 10 13 16 20 23 26 
4  8 13 17 22 26 31 35 
5 11 16 22 27 33 38 44 
6 13 20 26 33 40 46 53 
7 15 23 31 38 46 54 62 
8 17 26 35 44 53 62 71 
 1  2  3  4  5  6  7 
2  4  6 10 12 14 16 
3  6 11 14 17 22 25 
4 10 14 20 24 30 34 
5 12 17 24 31 36 43 
6 14 22 30 36 44 52 
7 16 25 34 43 52 61 
 1  2  3  4  5 
2  4 10 12 14 
3 10 13 20 23 
4 12 20 24 32 
5 14 23 32 41 
 1  2  3 
2 10 12 
3 12 21 
 1  2  3  4  5  6 
2  4  6 11 13 15 
3  6 12 15 21 24 
4 11 15 22 26 33 
5 13 21 26 34 42 
6 15 24 33 42 51 
 1  2  3  4 
2  4 11 13 
3 11 14 22 
4 13 22 31 
 1 

import java.io.*;
import java.util.*;

public class A {

	void run() throws IOException {
		int n = ni();
		for (int i = 1; i < n; i++) {
			for (int j = 1; j < n; j++) {
				int q = i * j;
				String w = "";
				while (q != 0) {
					w = q % n + w;
					q /= n;
				}
				pw.print(w + " ");
			}
			pw.println();
		}
	}

	String next() throws IOException {
		while (st == null || !st.hasMoreTokens())
			st = new StringTokenizer(br.readLine());
		return st.nextToken();
	}

	int ni() throws IOException {
		return Integer.parseInt(next());
	}

	String nl() throws IOException {
		return br.readLine();
	}

	PrintWriter pw;
	BufferedReader br;
	StringTokenizer st;

	public static void main(String[] args) throws IOException {
		long timeout = System.currentTimeMillis();
		boolean CF = System.getProperty("ONLINE_JUDGE") != null;
		PrintWriter _pw = new PrintWriter(System.out);
		BufferedReader _br = new BufferedReader(CF ? new InputStreamReader(System.in) : new FileReader(new File("in.txt")));
		new A(_br, _pw).run();
		if (!CF) {
			_pw.println();
			_pw.println(System.currentTimeMillis() - timeout);
		}
		_br.close();
		_pw.close();
	}

	public A(BufferedReader _br, PrintWriter _pw) {
		br = _br;
		pw = _pw;
	}
}
