/* -*- coding: utf-8 -*-
 *
 * 3163.cc:  No.3163 [Cherry 7th Tune N] Draft - yukicoder
 */

#include<cstdio>
#include<algorithm>

using namespace std;

/* constant */

const int N = 5;

/* typedef */

/* global variables */

int as[N];

/* subroutines */

/* main */

int main() {
  int tn;
  scanf("%d", &tn);

  while (tn--) {
    for (int i = 0; i < N; i++) scanf("%d", as + i);

    int x = *max_element(as, as + N);
    int y = *min_element(as, as + N);

    printf("%d\n", x - y);
  }

  return 0;
}