import java.io.*;
import java.util.*;
import java.text.*;
import java.math.*;
import java.util.regex.*;

public class Solution {

    static int n;
    
    static class Point{
        int x;
        int y;
        Point(int x, int y){
            this.x = x;
            this.y = y;
        }
        
        Point move(int dx, int dy){
            if (x+dx>=0 && x+dx<n &&
                y+dy>=0 && y+dy<n)
                return new Point(x+dx, y+dy);
            else
                return null;
        }
    }
    
    static int bfs(int a, int b){
        boolean[][] visited = new boolean[n][n];
        int[] dx = new int[]{a, a, -a, -a, b, b, -b, -b};
        int[] dy = new int[]{b, -b, b, -b, a, -a, a, -a};

        int numMoves = 0;
        
        Queue<Point> nextMoves = new LinkedList<>();
        nextMoves.add(new Point(0,0));
        
        while(!nextMoves.isEmpty()){
            Queue<Point> moves = nextMoves;
            nextMoves = new LinkedList<>();
            
            while(!moves.isEmpty()){
                Point position = moves.remove();
                
                if(position.x == n-1 && position.y == n-1)
                    return numMoves;

                for (int i=0; i<8; i++){
                    Point nextPosition = position.move(dx[i], dy[i]);
                    if (nextPosition!=null && !visited[nextPosition.x][nextPosition.y]) {
                        nextMoves.add(nextPosition);
                        visited[nextPosition.x][nextPosition.y] = true;
                    }
                }
            }
            numMoves++;
        }
        
        return -1;
    }
    
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        n = in.nextInt();
        // your code goes here
        for (int i=1; i<n; i++){
            for (int j=1; j<n; j++) {
                if (i==1 && j==1)
                    System.out.print((n-1) + " ");
                else
                    System.out.print(bfs(i,j) + " ");
            }
            System.out.println();
        }
    }
}