#include <bits/stdc++.h>
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 ans = INT32_MAX;
	int ma = 300;
	for( int xx = 0; xx < ma + 1; xx++ ) {
		for( int yy = 0; yy < ma + 1; yy++ ) {
			int s = 0;
			for( int i = 0; i < N; i++ ) {
				s += abs( xx - x[i] ) + abs( yy - y[i] );
			}
			ans = min( ans, s );
		}
	}
	cout << ans << endl;
}