Light OJ 1211

#include<bits/stdc++.h>
#include<cmath>
using namespace std;

int main()
{
    long long int t,i,n;
    cin>>t;
    for(i=1;i<=t;i++){
        cin>>n;
        long long int x1,y1,z1,x2,y2,z2,hx=9999,hy=9999,hz=9999,mx=0,my=0,mz=0,x=0,y=0,z=0,v;
        while(n--){
            cin>>x1>>y1>>z1>>x2>>y2>>z2;
            if(x1>mx)
                mx=x1;
            if(y1>my)
                my=y1;
            if(z1>mz)
                mz=z1;
            if(x2<hx)
                hx=x2;
            if(y2<hy)
                hy=y2;
            if(z2<hz)
                hz=z2;
        }
        if(hx>mx && hy>my && hz>mz){
            x=abs(mx-hx);
            y=abs(my-hy);
            z=abs(mz-hz);
        }
        v=x*y*z;
        cout<<"Case "<<i<<": "<<v<<endl;
    }
    return 0;
}