for _ in range(int(input())):
    A, B, C, x, y, z = map(int, input().split())
    
    D = [A, B, C]
    E = [x, y, z]
    for i in reversed(range(1, 3)):
        for j in range(i):
            if D[j] > D[j+1]:
                D[j], D[j+1] = D[j+1], D[j]
                E[j], E[j+1] = E[j+1], E[j]
        
    mid = -1
    if E[0] >= sum(E[1:]):
        mid = D[0]
    elif sum(E[:2]) <= E[2]:
        mid = D[2]
    else:
        mid = D[1]

    print(sum(abs(mid-D[i])*E[i] for i in range(3)))