#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
  #include "settings/debug.cpp"
#else
  #define Debug(...) void(0)
#endif
#define rep(i, n) for (int i = 0; i < (n); ++i)
using ll = long long;
using ull = unsigned long long;

int main() {
  cin.tie(nullptr)->sync_with_stdio(false);
  int t;
  cin >> t;
  while (t--) {
    int a, b, c, d, e;
    cin >> a >> b >> c >> d >> e;
    initializer_list<int> arr = { a, b, c, d, e };
    cout << max(arr) - min(arr) << '\n';
  }
  return 0;
}