#include <bits/stdc++.h>
using namespace std;
int main() {
  int n, a = 0;
  cin >> n;
  for (int i = 1; i < n; i++) {
    for (int j = 1; j < n; j++) {
      a = (i * j) / n;
      a *= 10;
      a += (i * j) % n;
      cout << a << " ";
    }
    cout << endl;
  }
}
