#include<bits/stdc++.h>
#include<atcoder/all>
using namespace std;
using namespace atcoder;
typedef long long int ll;
typedef long double ld;
typedef vector<ll> vi;
typedef vector<vi> vvi;
typedef vector<vvi> vvvi;
typedef vector<vvvi> vvvvi;
typedef pair<ll,ll> pi;
typedef pair<ll,pi> ppi;
typedef pair<ll,ppi> pppi;
typedef pair<ll,pppi> ppppi;
#define FOR(i,l,r) for(ll i=l;i<r;i++)
#define REP(i,n) FOR(i,0,n)
#define RFOR(i,l,r) for(ll i=r-1;i>=l;i--)
#define RREP(i,n) RFOR(i,0,n)
#define ALL(x) x.begin(),x.end()
#define F first
#define S second
#define BS(A,x) binary_search(ALL(A),x)
#define LB(A,x) (ll)(lower_bound(ALL(A),x)-A.begin())
#define UB(A,x) (ll)(upper_bound(ALL(A),x)-A.begin())
#define COU(A,x) (UB(A,x)-LB(A,x))
#define sz(c) ((ll)(c).size())
/*
#include<boost/multiprecision/cpp_int.hpp>
namespace mp=boost::multiprecision;
using Bint=mp::cpp_int;
*/
template<typename T>using min_priority_queue=priority_queue<T,vector<T>,greater<T>>;
template<typename T1,typename T2>ostream&operator<<(ostream&os,pair<T1,T2>&p){os<<p.F<<" "<<p.S;return os;}
template<typename T1,typename T2>istream&operator>>(istream&is,pair<T1,T2>&p){is>>p.F>>p.S;return is;}
template<typename T>ostream&operator<<(ostream&os,vector<T>&v){REP(i,sz(v))os<<v[i]<<(i+1!=sz(v)?" ":"");return os;}
template<typename T>istream&operator>>(istream&is,vector<T>&v){for(T&in:v)is>>in;return is;}
template<class T>bool chmax(T&a,T b){if(a<b){a=b;return 1;}return 0;}
template<class T>bool chmin(T&a,T b){if(b<a){a=b;return 1;}return 0;}
ld dist(ld x1,ld y1,ld x2,ld y2){return sqrtl((x1-x2)*(x1-x2)+(y1-y2)*(y1-y2));}
//*
using mint=modint998244353;
const ll mod=998244353;
const ld EPS=1e-8;
//*/
/*
using mint=modint1000000007;
const ll mod=1000000007;
//*/
//using mint=modint;
//*
typedef vector<mint> vm;
typedef vector<vm> vvm;
typedef vector<vvm> vvvm;
typedef vector<vvvm> vvvvm;
ostream&operator<<(ostream&os,mint&a){os<<a.val();return os;}
//*/
int main(){
  ll _;cin>>_;
  while(_--){
  	ll A,B,C,X,Y,Z,W;cin>>A>>B>>C>>X>>Y>>Z>>W;
  	ll ans=0;
  	REP(v,min({A,B,C})+1){
  		vector<tuple<ll,ll,ll>>D;
  		D.emplace_back(tuple<ll,ll,ll>{min(A,B)-v,0,0});
  		D.emplace_back(tuple<ll,ll,ll>{0,min(B,C)-v,0});
  		D.emplace_back(tuple<ll,ll,ll>{0,0,min(C,A)-v});
  		D.emplace_back(tuple<ll,ll,ll>{0,B-v,A-v});
  		D.emplace_back(tuple<ll,ll,ll>{0,B-v,C-B});
  		D.emplace_back(tuple<ll,ll,ll>{0,C-A,A-v});
  		D.emplace_back(tuple<ll,ll,ll>{B-v,0,C-v});
  		D.emplace_back(tuple<ll,ll,ll>{B-v,0,A-B});
  		D.emplace_back(tuple<ll,ll,ll>{A-C,0,C-v});
  		D.emplace_back(tuple<ll,ll,ll>{A-v,C-v,0});
  		D.emplace_back(tuple<ll,ll,ll>{A-v,B-C,0});
  		D.emplace_back(tuple<ll,ll,ll>{B-C,C-v,0});
  		D.emplace_back(tuple<ll,ll,ll>{(A+B-C-v)/2,(-A+B+C-v)/2,(A-B+C-v)/2});
  		D.emplace_back(tuple<ll,ll,ll>{(A+B-C-v)/2+1,(-A+B+C-v)/2,(A-B+C-v)/2});
  		D.emplace_back(tuple<ll,ll,ll>{(A+B-C-v)/2,(-A+B+C-v)/2+1,(A-B+C-v)/2});
  		D.emplace_back(tuple<ll,ll,ll>{(A+B-C-v)/2,(-A+B+C-v)/2,(A-B+C-v)/2+1});
  		D.emplace_back(tuple<ll,ll,ll>{(A+B-C-v)/2+1,(-A+B+C-v)/2+1,(A-B+C-v)/2});
  		D.emplace_back(tuple<ll,ll,ll>{(A+B-C-v)/2,(-A+B+C-v)/2+1,(A-B+C-v)/2+1});
  		D.emplace_back(tuple<ll,ll,ll>{(A+B-C-v)/2+1,(-A+B+C-v)/2,(A-B+C-v)/2+1});
  		for(auto[s,t,u]:D){
  			if(min({s,t,u})>=0&&s+u+v<=A&&s+t+v<=B&&t+u+v<=C){
  				chmax(ans,s*X+t*Y+u*Z+v*W);
  			}
  		}
  	}
  	cout<<ans<<endl;
  }
  return 0;
}