const INF: isize = 1000000000000;
fn main() {
	let n: usize = {  // 単一の整数を受け取り, nに束縛する
        let mut line: String = String::new();
        std::io::stdin().read_line(&mut line).unwrap();
        line.trim().parse().unwrap()
    };
    let mut a = vec![0; n];
    let mut b = vec![0; n];
    for i in 0..n {
    	let (c, d): (isize, isize) = {
	        let mut line: String = String::new();
	        std::io::stdin().read_line(&mut line).unwrap();
	        let mut iter = line.split_whitespace();
	        (
	            iter.next().unwrap().parse().unwrap(),
	            iter.next().unwrap().parse().unwrap()
	        )
	    };
        a[i] = c; b[i] = d;
	}
    let mut ans = INF;
    for i in 0..301 {
        for j in 0..301 {
            let mut sum = 0;
            for k in 0..n {
                sum += (i - a[k]).abs() + (j - b[k]).abs();
            }
            ans = ans.min(sum);
        }
    }
    println!("{}", ans);
}