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