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.*;

/**
 * Created by Dasha on 05.12.2015.
 */
public class Solution {
    Scanner scanner;


    public static void main(String[] args) throws IOException {
        new Solution().run();

    }

    void run() throws IOException {

        scanner = new Scanner(System.in);
        PrintWriter out = new PrintWriter(new BufferedOutputStream(System.out));

        int k = scanner.nextInt();
        int a[][] = new int[k - 1][k - 1];

        for (int i = 0; i < k - 1; i++) {
            a[i][0] = i + 1;
        }
        for (int j = 1; j < k - 1; j++) {
            a[0][j] = j + 1;
        }

        for (int i = 0; i < k - 1; i++) {
            for (int j = 0; j < k - 1; j++) {
                a[i][j] = a[0][j] * a[i][0];
                if (k != 10) {
                    System.out.print(func(a[i][j], k) + " ");
                } else
                    System.out.print(a[i][j] + " ");
            }
            System.out.println();
        }


        out.close();

    }

    int func(int ch, int osn) {
        int a = ch;
        int b = 0;
        String s = "";
        while (ch >= osn) {
            s += ch % osn;
            ch = ch / osn;
            b++;
        }
        s += ch;
        String ans = new StringBuilder(s).reverse().toString();
        return Integer.parseInt(ans);
    }
}