#include <bits/stdc++.h>
using namespace std;
const int INF = 10000000;
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 ans = INF;
  for (int i = 0; i <= 300; i++){
    for (int j = 0; j <= 300; j++){
      int sum = 0;
      for (int k = 0; k < N; k++){
        sum += abs(i - X[k]) + abs(j - Y[k]);
      }
      ans = min(ans, sum);
    }
  }
  cout << ans << endl;
}