import java.util.*;

public class Main {
    public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		int t = scan.nextInt();
		for(int i = 0 ; i < t ; i++){
			int[] size = new int[5];
			for(int j = 0 ; j < size.length; j++){
				size[j] = scan.nextInt(); 
			}
			Arrays.sort(size);
			System.out.println(size[4] - size[0]);
		}
    }
}