## https://yukicoder.me/problems/no/3163

import math

def solve(A, B, C, D, E):
    array = [A, B, C, D, E]
    array.sort()
    return array[-1] - array[0]

def main():
    T = int(input())
    answers = []
    for _ in range(T):
        A, B, C, D, E = map(int, input().split())
        ans = solve(A, B, C, D, E)
        answers.append(ans)

    for ans in answers:
        print(ans)



        





    



if __name__ == "__main__":
    main()