#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef pair<ll,ll> P;
#define REP(i,n) for(ll i=0;i<ll(n);i++)









int main() {
	cin.tie(nullptr);  ios_base::sync_with_stdio(false);
	ll i,j;






	int T;
	cin >> T;
	while(T--){


		ll A,B,C,x,y,z;
		cin >> A >> B >> C >> x >> y >> z;

		vector<P> v;
		v.push_back(P(A,x));
		v.push_back(P(B,y));
		v.push_back(P(C,z));

		sort(v.begin(),v.end());

		A=v[0].first;
		B=v[1].first;
		C=v[2].first;
		x=v[0].second;
		y=v[1].second;
		z=v[2].second;


		ll s;
		if(x-y-z>=0) s=(x-y-z)*A-x*A+y*B+z*C;
		else s=(x-y-z)*B-x*A+y*B+z*C;


		ll t;
		if(x+y-z>=0) t=(x+y-z)*B-x*A-y*B+z*C;
		else t=(x-y+z)*C-x*A-y*B+z*C;



		cout << min(s,t) << endl;






	}








    return 0;
}