import java.io.*;
import java.util.*;
import java.util.function.*;
import java.util.stream.*;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner();
        int n = sc.nextInt();
        int[][] values = new int[2][n];
        for (int i = 0; i < n; i++) {
            for (int j = 0; j < 2; j++) {
                values[j][i] = sc.nextInt();
            }
        }
        System.out.println(getSum(values[0]) + getSum(values[1]));
    }
    
    static int getSum(int[] values) {
        Arrays.sort(values);
        int m = values.length / 2;
        int ans = 0;
        for (int x : values) {
            ans += Math.abs(x - values[m]);
        }
        return ans;
    }
}
class Scanner {
    BufferedReader br;
    StringTokenizer st = new StringTokenizer("");
    StringBuilder sb = new StringBuilder();
    
    public Scanner() {
        try {
            br = new BufferedReader(new InputStreamReader(System.in));
        } catch (Exception e) {
            
        }
    }
    
    public int nextInt() {
        return Integer.parseInt(next());
    }
    
    public long nextLong() {
        return Long.parseLong(next());
    }
    
    public double nextDouble() {
        return Double.parseDouble(next());
    }
    
    public String next() {
        try {
            while (!st.hasMoreTokens()) {
                st = new StringTokenizer(br.readLine());
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            return st.nextToken();
        }
    }
    
}