学步园

题意：根据平行四边形A、B、C 3点坐标求D点坐标，并求出面积

//AcerGY
//#pragma comment (linker, "/STACK:1024000000,1024000000")
#include <iostream>
#include <cstdio>
#include <algorithm>
#include <cstring>
#include <queue>
#include <vector>
#include <cmath>
#define ll long long
#define BUG puts("BUG!")
#define ci(val) scanf("%d",&val)
#define pi(val) printf("%d\n",val)
#define clr(a,val) memset(a,val,sizeof(a))
#define lowbit(x) ((x)&(-x))
#define inf 0x3f3f3f3f
#define inf64 1LL<<60
#define PI acos(-1.0)
#define eps 1e-8

//Game Theory
#define P "First"
#define N "Second"

#define maxn 10000
#define mod 10009

using namespace std;

void readfile(char s[])
{
#ifndef ONLINE_JUDGE
	freopen(s,"r",stdin);
#endif
}

int ax,ay,bx,by,cx,cy,dx,dy;

int main()
{
	ios::sync_with_stdio(0);
	readfile("in.txt");
	int T , cas = 1;
	scanf("%d",&T);
	while(T--)
	{	
		scanf("%d%d%d%d%d%d",&ax,&ay,&bx,&by,&cx,&cy);
		dx = ax-(bx-cx) , dy = ay-(by-cy);
		int area = area=abs(ax*(by-cy)+bx*(cy-ay)+cx*(ay-by));
		printf("Case %d: %d %d %d\n",cas++,dx,dy,area);
	}
	return 0;
}