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 

//package school1;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.io.StreamTokenizer;

public class H {

	static StreamTokenizer in =
		new StreamTokenizer(new BufferedReader(new InputStreamReader(System.in)));
	
	static int nextInt() throws IOException{
		in.nextToken();
		return (int)in.nval;
	}
	
	static PrintWriter out = new PrintWriter(System.out);
	
	static void base(int n, int b){
		int res[] = new int[10];
		int l = 0;
		
		while (n != 0){
			res[l++] = n%b;
			n /= b;
		}
		
		for (int i=l-1; i>=0; i--)
			out.print(res[i]);
		out.print(' ');
	}
	
	public static void main(String[] args) throws IOException{
		int k = nextInt();
		
		for (int i=1; i<k; i++){
			for (int j=1; j<k; j++)
				base(i*j, k);
			out.println();
		}
		
		out.flush();
	}

}
