#include <bits/stdc++.h>
using namespace std;
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  long long int t;
  t = 1;
  while (t--) {
    long long int i, j, n, a;
    cin >> n;
    long long int x[n + 2][n + 2], visited[n + 2];
    for (i = 1; i <= n; i++) {
      for (j = 1; j <= n; j++) {
        x[i][j] = 0;
      }
    }
    for (i = 2; i <= n; i++) {
      x[i][1] = i - 1;
    }
    for (i = 3; i <= n - 1; i++) {
      for (j = 2; j <= i - 1; j++) {
        if (x[i][j - 1] == n - 1) {
          x[i][j] = 1;
        } else {
          x[i][j] = x[i][j - 1] + 1;
        }
      }
    }
    for (i = 2; i <= n - 1; i++) {
      x[n][i] = x[i + 1][i] - 1;
    }
    for (i = 1; i <= n - 1; i++) {
      visited[i] = 0;
    }
    for (i = 1; i <= n - 2; i++) {
      visited[x[n][i]] = 1;
    }
    for (i = 1; i <= n - 1; i++) {
      if (visited[i] == 0) {
        a = i;
      }
    }
    x[n][n - 1] = a;
    for (i = 1; i <= n - 1; i++) {
      for (j = i + 1; j <= n; j++) {
        x[i][j] = x[j][i];
      }
    }
    for (i = 1; i <= n; i++) {
      for (j = 1; j <= n; j++) {
        cout << x[i][j] << " ";
      }
      cout << "\n";
    }
  }
}
