from fractions import Fraction
from math import gcd

def dot(a, b):
    return a[0] * b[0] + a[1] * b[1] + a[2] * b[2]    

def minus(a, b):
    return (a[0] - b[0], a[1] - b[1], a[2] - b[2])

def solve(a1, b1, c1, a2, b2, c2):
    if a1 * b2 == a2 * b1: return None, None
    if a1 == 0 or a2 == 0:
        if a2 == 0:
            a1, a2 = a2, a1
            b1, b2 = b2, b1
            c1, c2 = c2, c1
        y = Fraction(c1 / b)
        x = Fraction(c2 - b2 * y, x2)
        return (x, y)
        
    lcm = abs(a1 * a2) // abs(gcd(a1, a2))
    t1 = lcm // a1
    t2 = lcm // a2
    k1 = b2 * t2 - b1 * t1
    k2 = c2 * t2 - c1 * t1
    y = Fraction(k2, k1)
    x = Fraction(c1 - b1 * y, a1)
    return (x, y) 

for _ in range(int(input())):
    x1, y1, z1 = map(int, input().split())
    x2, y2 = map(int, input().split())
    x3, y3, z3 = map(int, input().split())
    x4, y4 = map(int, input().split())

    p1 = (x1, y1, z1)
    p2 = (x2, y2, 0)
    p3 = (x3, y3, z3)
    p4 = (x4, y4, 0)

    if (dot(minus(p3, p1), p2) == 0 and dot(minus(p3, p1), p4) == 0):
        print(2)
        continue

    x, y = solve(x2, y2, x1 * x2 + y1 * y2, x4, y4, x3 * x4 + y3 * y4)
    if x is None and y is None:
        print(4)
        continue

    a = 1
    b = -(z1 + z3)
    c = z1 * z3 + (x - x1) * (x - x3) + (y - y1) * (y - y3)
    if b * b - 4 * a * c >= 0:
        print(3)
    else:
        print(4)