T=int(input())
for _ in range(T):
    A,B,C,x,y,z=map(int,input().split())
    L=min(A,B,C)
    R=max(A,B,C)
    while R-L>2:
        M1=(L*2+R)//3
        M2=(L+R*2)//3
        C1=abs(A-M1)*x+abs(B-M1)*y+abs(C-M1)*z
        C2=abs(A-M2)*x+abs(B-M2)*y+abs(C-M2)*z
        if C1<=C2:R=M2
        else:L=M1
    ans=2<<60
    for i in range(L-1,R+2):
        ans=min(ans,abs(A-i)*x+abs(B-i)*y+abs(C-i)*z)
    print(ans)