def main():
    A, B, C, x, y, z = map(int, input().split())
    D = [(A, x), (B, y), (C, z)]
    D.sort()
    C, z = D.pop()
    B, y = D.pop()
    A, x = D.pop()
    ans = min((B-A)*x+(C-B)*z, (B-A)*y+(C-A)*z, (C-A)*x+(C-B)*y)
    return ans

for _ in range(int(input())):
    print(main())