T = int(input())
for _ in range(T):
    A, B, C, x, y, z = map(int, input().split())
    g = [(A, x), (B, y), (C, z)]
    g.sort()

    A, x = g[0]
    B, y = g[1]
    C, z = g[2]

    def f(t):
        return abs(A - t) * x + abs(B - t) * y + abs(C - t) * z

    ans = 1 << 60

    # t >= B
    l = B; r = 1 << 60
    while abs(l - r) > 3:
        l1 = (2 * l + r) // 3
        r1 = (l + 2 * r) // 3

        if f(l1) > f(r1):
            l = l1
        else:
            r = r1
    
    for t in range(l - 10, r + 10):
        ans = min(ans, f(t))

    # t < B
    r = B; l = - (1 << 60)
    while abs(l - r) > 3:
        l1 = (2 * l + r) // 3
        r1 = (l + 2 * r) // 3

        if f(l1) > f(r1):
            l = l1
        else:
            r = r1
    
    for t in range(l, r + 1):
        ans = min(ans, f(t))
    
    print(ans)