#include <bits/stdc++.h>
using namespace std;
#define ll long long

const double pi=acos(-1.0);

ll T;
double x,y,z,r1,r2;
double d1,d2;
double ans;
double h1,h2,v1,v2;

int main(){
	freopen("qiu.in","r",stdin);
	freopen("qiu.out","w",stdout);
    ios::sync_with_stdio(0);
    cin.tie(0);cout.tie(0);
    cin>>T;
    while (T--){
        cin>>x>>y>>z>>r1>>r2;
        d1=x*x+y*y+z*z;
        d2=sqrt(d1);
        ans=0;
        if (d2>=r1+r2){
            ans=0;
        }else if (d2<=fabs(r1-r2)){
            double r=min(r1,r2);
            ans=4.0*pi*r*r*r/3.0;
        }else{
            h1=r1-(r1*r1-r2*r2+d1)/(2.0*d2);
            h2=r2-(r2*r2-r1*r1+d1)/(2.0*d2);
            // h1=r1-(d2-sqrt(r2*r2));
            // h2=r2-(d2-sqrt(r1*r1));
            v1=pi*h1*h1*(3*r1-h1)/3.0;
            v2=pi*h2*h2*(3*r2-h2)/3.0;
            ans=v1+v2;
        }
        cout<<fixed<<setprecision(6)<<ans<<'\n';
    }
    return 0;
}

/*
4
10 10 10 10 10
0 0 10 30 10
0 10 10 20 20
20 20 20 10 10
*/