//#pragma GCC optimize ("O3")
//#pragma GCC target ("avx")
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define rep(i, n) for(int i = 0; i < (n); i++)
#define rep1(i, n) for(int i = 1; i <= (n); i++)
#define co(x) cout << (x) << "\n"
#define cosp(x) cout << (x) << " "
#define ce(x) cerr << (x) << "\n"
#define cesp(x) cerr << (x) << " "
#define pb push_back
#define mp make_pair
#define chmin(x, y) x = min(x, y)
#define chmax(x, y) x = max(x, y)
#define Would
#define you
#define please


int main() {
	cin.tie(0);
	ios::sync_with_stdio(false);


	int T;
	cin >> T;

	rep(i, T) {
		ll a, b, c, x, y, z;
		cin >> a >> b >> c >> x >> y >> z;

		ll saishou = 5e18;

		if (b > 2) {
			ll at = a, bt = b, ct = c;
			ll tmp = 0;
			if (at >= bt) {
				tmp += (at - bt + 1) * x;
				at = bt - 1;
			}
			if (ct >= bt) {
				tmp += (ct - bt + 1) * z;
				ct = bt - 1;
			}
			if (at == ct) {
				if (at > 1) {
					chmin(saishou, tmp + min(x, z));
				}
			}
			else chmin(saishou, tmp);
		}

		if (a > 2) {
			ll at = a, bt = b, ct = c;
			ll tmp = 0;
			if (ct >= at) {
				tmp += (ct - at + 1) * z;
				ct = at - 1;
			}
			if (bt >= ct) {
				tmp += (bt - ct + 1) * y;
				bt = ct - 1;
			}
			if (bt >= 1) {
				chmin(saishou, tmp);
			}
		}
		if (c > 2) {
			ll at = a, bt = b, ct = c;
			ll tmp = 0;
			if (ct <= at) {
				tmp += (at - ct + 1) * x;
				at = ct - 1;
			}
			if (bt >= at) {
				tmp += (bt - at + 1) * y;
				bt = at - 1;
			}
			if (bt >= 1) {
				chmin(saishou, tmp);
			}
		}

		if (saishou < 4e18) co(saishou);
		else co(-1);
	}


	Would you please return 0;
}