def solve():
    A, B, C, X, Y, Z = map(int, input().split())
    xs = sorted([(A, X), (B, Y), (C, Z)])

    a, x = xs[0]
    b, y = xs[1]
    c, z = xs[2]

    res = (b-a) * y + (c-a) * z
    res = min(res, (b-a) * x + (c-b) * z)
    res = min(res, (c-a) * x + (c-b) * y)

    return res


INF = 1 << 60
T = int(input())
for _ in range(T):
    ans = solve()
    print(ans)