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


void solve(){
	vector<ll> A(5);
	for(ll &a:A)cin>>a;
	sort(A.begin(),A.end());
	cout<<A[4]-A[0]<<"\n";

}

int main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);


	int T;
	cin>>T;
	while(T--)solve();
	
}