#include<iostream>

#include<math.h>

#include<stdio.h>

using namespace std;

int main()

{

    int t,ca=;

    cin>>t;

    while(t--)

    {

        double x1,y1,x2,y2,x3,y3,x4,y4;

        cin>>x1>>y1>>x2>>y2>>x3>>y3;

        x4=x3-x2+x1;

        y4=y3-y2+y1;

        double ab,ac,bc,s,a;

        ab=sqrt((x2-x1)*(x2-x1)+(y2-y1)*(y2-y1));

        ac=sqrt((x3-x1)*(x3-x1)+(y3-y1)*(y3-y1));

        bc=sqrt((x3-x2)*(x3-x2)+(y3-y2)*(y3-y2));

        a=(ab*ab+bc*bc-ac*ac)/(*ab*bc);

        a=acos(a);

        s=ab*bc*sin(a);

        printf("Case %d: %.0lf %.0lf %.0lf\n",ca++,x4,y4,s);

    }

    return ;

}