#include <math.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <assert.h>
#include <limits.h>
#include <stdbool.h>

int count;
int grid[25][25];

void rec(int i,int j,int x,int y,int n,int num)
{
    if(x<0 || y<0 || x>=n || y>=n)
        return;
    if(x==n-1 && y==n-1)
    {
        if(count==0)
            count=num;
        else if(num<count)
            count=num;
        return;
    }
    if(grid[x][y]<=num)
        return;
    grid[x][y]=num;
    if(i!=j)
    {
        rec(i,j,x-i,y-j,n,num+1);
        rec(i,j,x+i,y-j,n,num+1);
        rec(i,j,x-i,y+j,n,num+1);
        rec(i,j,x+i,y+j,n,num+1);
    }
    rec(i,j,x-j,y-i,n,num+1);
    rec(i,j,x+j,y-i,n,num+1);
    rec(i,j,x-j,y+i,n,num+1);
    rec(i,j,x+j,y+i,n,num+1);
}

int main()
{
    int n,i,j,a,b;
    scanf("%d",&n);
    int ans[n-1][n-1];
    for( i=0;i<n-1;i++)
    {
        for( j=0;j<=i;j++)
        {
            count=0;
            for(a=0;a<n;a++)
                for(b=0;b<n;b++)
                    grid[a][b]=(n*n)+n;
            rec(i+1,j+1,0,0,n,0);
            if(count==0)
                ans[i][j]=-1;
            else
                ans[i][j]=count;
        }
    }
    //Printing
    for( i=0;i<n-1;i++)
    {
        for( j=0;j<n-1;j++)
        {
            if(j<=i)
                printf("%d ",ans[i][j]);
            else
                printf("%d ",ans[j][i]);
        }
        printf("\n");
    }
    return 0;
}