#include <bits/stdc++.h>

using namespace std;

int main() {
    int T;
    cin >> T;
    while (T--) {
        int m = (int)1e9, M = 0;
        for (int i = 0; i < 5; i++) {
            int a;
            cin >> a;
            m = min(a, m);
            M = max(a, M);
        }
        cout << M - m << endl;
    }
    return 0;
}