#include <bits/stdc++.h>
using namespace std;

using ll = long long;
#define rep(i, n) for(int i = 0; i < n; i++)

void solve()
{
	int ma = 0, mi = 1e9 + 1, a;
	rep(i, 5) {
		cin >> a;
		ma = max(ma, a);
		mi = min(mi, a);
	}
	cout << ma - mi << endl;
}

int main() {
	int T;
	cin >> T;
	rep(i, T) {
		solve();
	}
}