#include<iostream>
#include<vector>

using namespace std;

int main() {
  int n;
  cin >> n;
  vector<int> x(n), y(n);
  for (int i = 0; i < n; i++)
    cin >> x[i] >> y[i];
  
  int answer = 1000000000;
  for (int x0 = 1; x0 <= 300; x0++) {
    for (int y0 = 1; y0 <= 300; y0++) {
      int dist = 0;
      for (int i = 0; i < n; i++) {
        dist += abs(x0 - x[i]);
        dist += abs(y0 - y[i]);
      }
      answer = min(answer, dist);
    }
  }
  cout << answer << "\n";
  return 0;
}