#include <bits/stdc++.h>
using namespace std;
bool compare(int a, int b) { return a > b; }
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  int n;
  cin >> n;
  for (long long int i = 0; i < n + 1; i++) {
    for (long long int j = 0; j < 2 * (n - i); j++) {
      cout << " ";
    }
    for (long long int j = 0; j < i + 1; j++) {
      if (i)
        cout << j << " ";
      else
        cout << j;
    }
    for (int j = i - 1; j >= 0; j--) {
      if (j)
        cout << j << " ";
      else
        cout << j;
    }
    cout << endl;
  }
  for (int i = n - 1; i >= 1; i--) {
    for (long long int j = 0; j < 2 * (n - i); j++) {
      cout << " ";
    }
    for (long long int j = 0; j < i + 1; j++) {
      cout << j << " ";
    }
    for (int j = i - 1; j >= 0; j--) {
      if (j)
        cout << j << " ";
      else
        cout << j;
    }
    cout << endl;
  }
  for (long long int j = 0; j < 2 * (n); j++) {
    cout << " ";
  }
  cout << "0";
  return 0;
}
