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])

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

    v2 = x1 * x2 + y1 * y2
    v4 = x3 * x4 + y3 * y4

    lcm = abs(x2 * x4) // abs(gcd(x2, x4))

    t1 = lcm // x2
    t3 = lcm // x4
    k1 = y4 * t3 - y2 * t1
    k2 = v4 * t3 - v2 * t1
    if k1 == 0 and k2 != 0:
        print(4)
        continue
    y = Fraction(k2, k1)
    x = Fraction(v2 - y * y2, x2)
    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)