#include<iostream>
#include<string>
#include<cstdio>
#include<algorithm>
#include<stack>
#include<queue>
#include<vector>
#include<cmath>
#include<utility>
#include<set>
#include<complex>
#include<map>
#define vi vector<int>
#define vvi vector<vector<int> >
#define ll long long int
#define vl vector<ll>
#define vvl vector<vector<ll>>
#define vb vector<bool>
#define vc vector<char>
#define vs vector<string>
#define ld long double
#define INF 1e9
#define EPS 0.0000000001
#define rep(i,n) for(int i=0;i<n;i++)
#define loop(i,s,n) for(int i=s;i<n;i++)
#define all(in) in.begin(), in.end()
#define MAX 9999999
using namespace std;
typedef pair<int, int> pii;
typedef pair<double,double>pdd;
int main(){
    pdd a,b; double ar,br; int n;
    cin>>n;
    rep(i,n){
    L:;
        cin>>a.first>>a.second>>ar>>b.first>>b.second>>br;
        if((b.first-br<a.first-ar)&&(a.first+ar<b.first+br)//x
           &&(b.second+br>a.second+ar)&&(b.second-br<a.second-ar)){puts("-2");goto L;}
        swap(a,b); swap(ar,br);
        if((b.first-br<a.first-ar)&&(a.first+ar<b.first+br)//x
           &&(b.second+br>a.second+ar)&&(b.second-br<a.second-ar)){puts("2");goto L;}
        swap(a,b); swap(ar,br);
        if(abs(a.first-b.first)<(ar+br)&&max(ar,br)-min(ar,br)<abs(a.first-b.first)){puts("1");goto L;}
        swap(a.first,a.second); swap(b.first,b.second);
        if(abs(a.first-b.first)<(ar+br)&&max(ar,br)-min(ar,br)<abs(a.first-b.first)){puts("1");goto L;}
        puts("0");
        
    }
}