import java.util.Scanner;

public class Main {
	public static void main(String[] args) throws Exception {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int[] x = new int[n];
		int[] y = new int[n];
		for (int i = 0; i < n; i++) {
			x[i] = sc.nextInt();
			y[i] = sc.nextInt();
		}
		sc.close();

		int ans = Integer.MAX_VALUE;
		for (int i = 0; i <= 300; i++) {
			for (int j = 0; j <= 300; j++) {
				int val = 0;
				for (int k = 0; k < n; k++) {
					val += Math.abs(i - x[k]);
					val += Math.abs(j - y[k]);
				}
				ans = Math.min(ans, val);
			}
		}
		System.out.println(ans);
	}
}