백준 1002번 파이썬

t= int(input())

for _ in range(t):

    x1,y1,r1,x2,y2,r2=map(int,input().split())

    d = ((x1-x2)**2+(y1-y2)**2)**(1/2)

    if d==0 and r1==r2:

        print(-1)

    elif abs(r1-r2)==d or r1+r2 == d:

        print(1)

    elif abs(r1-r2)<d<r1+r2:

        print(2)

    else:

        print(0)