#include <bits/stdc++.h>
//#include <atcoder/all>
//using namespace atcoder;
using namespace std;
const int INF = 1e9;
using ll = long long;
using inv = vector<int>;
using stv = vector<string>;
using pint = pair<int,int>;
#define FOR(i,l,r) for(int i=(l); i<(r); i++)
#define rep(i,r) for(int i=0; i<(r); i++)
#define repl(i,r) for(long long i=0; i<(r); i++)
#define FORl(i,l,r) for(long long i=(l); i<(r); i++)
#define INFL ((1LL<<62)-(1LL<<31))
#define pb(x) push_back(x)
#define CIN(x) cin >> x

const ll MOD = 1e9+7;

int main(){
    int N;
    cin >> N;
    inv X(N),Y(N);
    rep(i,N) cin >> X[i] >> Y[i];
    int ans = INF;

    FOR(x,1,300+1){
        FOR(y,1,300+1){
            int s = 0;
            rep(i,N){
                s += (abs(X[i]-x)+abs(Y[i]-y));
            }
            ans = min(ans,s);
        }
    }

    

    cout << ans << endl;
    
}