#include <bits/stdc++.h>
using namespace std;
using ll = long long;
constexpr ll inf = 2e18;
constexpr ll mod = 998244353;

int t,a[5];
int main(){
    cin >> t;
    while(t--){
        cin >> a[0] >> a[1] >> a[2] >> a[3] >> a[4];
        sort(a, a + 5);
        cout << a[4] - a[0] << endl;
    }
}