#include <bits/stdc++.h>
using namespace std;
int a[1005][1005];
int n;
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(nullptr);
  cout.tie(nullptr);
  cerr.tie(nullptr);
  cin >> n;
  for (int j = 1; j < n; j++) {
    int x = j - 1, y = x;
    a[n - 1][x] = a[x][n - 1] = j;
    for (int z = 0; z < n / 2 - 1; z++) {
      x = (x + n - 2) % (n - 1);
      y = (y + 1) % (n - 1);
      a[x][y] = a[y][x] = j;
    }
  }
  for (int i = 0; i < n; i++)
    for (int j = 0; j < n; j++) cout << a[i][j] << " \n"[j == n - 1];
}
