#!/bin/python3

import sys

def berechne():
    global count, allePositionen, aktPositionen, nextPositionen, bewegung
    while True:
        count += 1
        allePositionen = allePositionen | aktPositionen
        for pos in aktPositionen:
            for bew in bewegung:
                x = pos[0]
                y = pos[1]
                x += bew[0]
                y += bew[1]
                if x >=0 and x < n and y >=0 and y < n:
                    nextPositionen.add((x,y))

                    if (n-1,n-1) in nextPositionen:
                        print(count, end='')
                        return

        aktPositionen = nextPositionen.difference(allePositionen)
        if aktPositionen == set():
            return -1
        
n = int(input().strip())
# your code goes here

for i in range(1,n):
    for j in range(1,n):
        count = 0
        allePositionen = { (0,0) }
        aktPositionen = { (0,0) }
        nextPositionen = set()
        bewegung = [(i,j), (j,i), (-i,j), (j,-i), (i,-j), (-j,i), (-i,-j), (-j,-i)]
        if berechne() == -1:
            print("-1", end='')
        if j != n-1:
            print(' ', end='')
    print('')