#include <bits/stdc++.h>
using namespace std;
using lint = long long;
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 = (1<<30);
  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;
}