using System;

class Program
{
    static void Main()
    {
        int T = int.Parse(Console.ReadLine());
        while (T-- > 0)
        {
            var a = Array.ConvertAll(Console.ReadLine().Split(), long.Parse);
            long max = a[0], min = a[0];
            for (int i = 1; i < 5; i++)
            {
                if (a[i] > max) max = a[i];
                if (a[i] < min) min = a[i];
            }
            Console.WriteLine(max - min);
        }
    }
}