#include <bits/stdc++.h>
#define EPS 1e-8
#define double long double
struct Vector {
	long long x, y;
	inline Vector() {

	}
	inline Vector(long long x, long long y) {
		this->x = x;
		this->y = y;
	}
	inline Vector operator - (const Vector &a)const {
		return (Vector) {
			x - a.x, y - a.y
		};
	}
	inline Vector operator + (const Vector &a)const {
		return (Vector) {
			x + a.x, y + a.y
		};
	}
	inline long long operator * (const Vector &a)const {
		return x * a.x + y * a.y;
	}
	inline long long operator ^ (const Vector &a)const {
		return x * a.y - y * a.x;
	}
	inline double dis() {
		return std::sqrt(x * x + y * y);
	}
	inline int operator == (Vector a) {
		return a.x == x && a.y == y;
	}
};

inline int sign(long long a) {
	if (a == 0)
		return 0;
	return a > 0 ? 1 : -1;
}

inline int in(Vector a, Vector p, Vector q) {
	return ((p - a) * (q - a)) < 0;
}

inline int check(Vector a, Vector b, Vector c, Vector d) {
	if (!sign((d - c) ^ (b - a))) {
		if (in(a, c, d) || in(b, c, d) || in(c, a, b) || in(d, a, b)) {
			return 1;
		}
		return 0;
	}
	int cc = sign((c - a) ^ (c - b));
	int dd = sign((d - a) ^ (d - b));
	int aa = sign((a - c) ^ (a - d));
	int bb = sign((b - c) ^ (b - d));
	return  cc != dd &&  aa != bb;
}

inline double dis(Vector x, Vector a, Vector b) {
	double len = (a - b) * (x - b) / std::sqrt((a - b).dis());
	return (x - b).dis() - len * len ;
}
bool compare(Vector a,Vector b,Vector c){
	//std::cout<<a.x<<" "<<a.y<<" "<<b.x<<" "<<b.y<<" "<<c.x<<" "<<c.y<<std::endl;
	long long tmp1=a.x*c.x+a.y*c.y-a.x*b.x-a.y*b.y;
	long long tmp2=a.x*a.x+a.y*a.y-a.x*b.x-a.y*b.y;
	//std::cout<<tmp1<<" "<<tmp2<<std::endl;
	if(tmp1>0&&tmp2<0||tmp1<0&&tmp2>0)return 1;
	return 0;
}
int main() {
	int $;
	scanf("%d", &$);
	while ($--) {
		Vector a;
		Vector b;
		Vector c1;
		Vector c2;
		Vector d1;
		Vector d2;
		scanf("%lld%lld%lld%lld%lld%lld%lld%lld%lld%lld%lld%lld",
		      &a.x, &a.y, &b.x, &b.y, &c1.x, &c1.y, &c2.x, &c2.y, &d1.x, &d1.y, &d2.x, &d2.y);
		if (!check(a, b, c1, c2) && !check(a, b, d1, d2)) {
			puts("0");
		} else if (c1 == d1 || c2 == d1 || c1 == d2 || c2 == d2) {
			puts("1");
		} else if (!sign((d2 - d1) ^ (c2 - c1))) {
			puts("1");
		} else if (!check(c1, c2, d1, d2)) {
			puts("1");
		} else if (check(a, b, c1, c2) + check(a, b, d1, d2) == 1) {
			puts("1");
		} else if (!sign((b - a) ^ (c2 - c1)) || !sign((b - a) ^ (d2 - d1))) {
			puts("1");
		} else {
			Vector a0(0, 0), a1(0, 0);
			Vector b0(0, 0), b1(0, 0);
			if (!check(a, c1, d1, d2)) {
				a0 = c1;
			} else {
				a0 = c2;
			}
			if (!check(a, d1, c1, c2)) {
				a1 = d1;
			} else {
				a1 = d2;
			}
			if (!check(b, c1, d1, d2)) {
				b0 = c1;
			} else {
				b0 = c2;
			}
			if (!check(b, d1, c1, c2)) {
				b1 = d1;
			} else {
				b1 = d2;
			}
			if(compare(b-a,a0-a,b1-b)||compare(b-a,a1-a,b0-b)){
//			printf("%lf %lf %lf %lf\n", dis(a, b, b1), dis(a0, b, b1), dis(a, b, b0), dis(a1, b, b0));
				puts("1");
			} else {
				puts("2");
			}
		}
	}
	return 0;
}