/*
 ██████╗ ██╗███╗   ██╗ ██████╗    ████████╗██╗ █████╗ ███╗   ██╗
██╔═══██ ██║████╗  ██║██╔════╝    ╚══██╔══╝██║██╔══██╗████╗  ██║
██║   ██║██║██╔██╗ ██║██║  ███╗      ██║   ██║███████║██╔██╗ ██║
██║▄▄ ██║██║██║╚██╗██║██║   ██║      ██║   ██║██╔══██║██║╚██╗██║
╚██████╔╝██║██║ ╚████║╚██████╔╝      ██║   ██║██║  ██║██║ ╚████║
 ╚══▀▀═╝ ╚═╝╚═╝  ╚═══╝ ╚═════╝       ╚═╝   ╚═╝╚═╝  ╚═╝╚═╝  ╚═══╝
 */
#include<bits/stdc++.h>
using namespace std;
typedef double ld;
typedef long long ll;
ld eps=1e-9;
int sgn(ld x){
	if(fabs(x)<eps) return 0;
	if(x>0) return 1;
	return -1;
}
struct p3{
	ll x,y,z;
	friend p3 operator-(p3 a,p3 b){return {a.x+b.x,a.y+b.y,a.z+b.z};}
	friend ll operator*(p3 a,p3 b){return a.x*b.x+a.y*b.y+a.z*b.z;}
	friend p3 operator^(p3 a,p3 b){return {a.y*b.z-a.z*b.y,a.z*b.x-a.x*b.z,a.x*b.y-a.y*b.x};}
	
};
void solve(){
	p3 st,ed,vst,ved;
	cin>>st.x>>st.y>>st.z;
	cin>>vst.x>>vst.y;
	cin>>ed.x>>ed.y>>ed.z;
	cin>>ved.x>>ved.y;
	if((st-ed)*vst==0 && (st-ed)*ved==0){
		cout<<2<<'\n';
	}else{
		ll a1=vst.x,b1=vst.y,c1=vst.x*st.x+vst.y*st.y;
		ll a2=ved.x,b2=ved.y,c2=ved.x*ed.x+ved.y*ed.y;
		ld _x=c1*b2-b1*c2,_y=a1*c2-a2*c1,klm=a1*b2-a2*b1;
		if(klm==0){
			cout<<4<<'\n';
			return;
		}
		
		
		ld x=_x/klm,y=_y/klm;

		ld kk=(x-st.x)*(x-ed.x)+(y-st.y)*(y-ed.y);
		ld B=st.z+ed.z,C=st.z*ed.z+kk;
		ld delta=B*B-4.0*C;
		

		if(sgn(delta)>=0 ){
			cout<<3<<'\n';
		}else{
			cout<<4<<'\n';
		}
		
	}
	
	
}

int main(){
	ios::sync_with_stdio(false);
	cin.tie(0);
	int _;cin>>_;
	while(_--) solve();
	
	return 0;
}