I,R=input,range
S,B,x=R(3),[0]*6,[0]*4
def J():
	return list(map(int,I().split()))
def V():
	global a
	for k in R(6):B[k]=A[k%3]if k%3!=j else y
	for w in R(-3,2):
		if w<0:
			for k in S:x[k]=B[w+5]-B[k+2]
			x[3]=B[w+3]+B[w+4]-B[w+5]
		else:
			x[3],x[0]=w,(B[0]+B[1]-B[2]-w)//2
			for k in R(2):x[1+k]=B[1-k]-x[0]-w
		s,b,c=x[0]+x[1]+x[2]+x[3],1,0
		for k in R(4):b,c=b*(x[k]>=0),c+x[k]*X[k]
		for k in S:b*=s-x[k]<=B[k+2]
		if b*(a<c):a=c
for t in R(int(I())):
	A,X,a=J(),J(),0
	for j in S:
		for y in R(A[j]+1):V()
	print(a)