#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define rep(i, s, e) for (int i = (int)(s); i < (int)(e); ++i)
#define all(a) (a).begin(),(a).end()

int main() {
    cin.tie(nullptr);
    ios_base::sync_with_stdio(false);
    
    int T;
    cin >> T;
    
    rep(test, 0, T) {
        vector<ll> A(5);
        rep(i, 0, 5) cin >> A[i];
        sort(all(A));
        cout << A[4] - A[0] << '\n';
    }
}