for _ in range(int(input())):
    a, b, c, x, y, z = map(int, input().split())
    (a, x), (b, y), (c, z) = sorted([(a, x), (b, y), (c, z)])
    ans = (b - a) * min(x, y + z) + (c - b) * min(z, x + y)
    print(ans)