#include <iostream>#include <cstdio>#include <cmath>using namespace std;const double PI = 2.*asin(1.);const double eps = 1e-3;struct Point{double x,y;}p[3];double dis(Point a,Point b){return sqrt((a.x-b.x)*(a.x-b.x)+(a.y-b.y)*(a.y-b.y));}double deg(double a,double b,double c){return acos((a*a+b*b-c*c)/2./a/b);}double fgcd(double a,double b){return b>eps?fgcd(b,fmod(a,b)):a;}int main(){int T;double ans,l[3],d[3];scanf("%d",&T);while(T--){for(int i=0;i<3;i++)scanf("%lf%lf",&p[i].x,&p[i].y);for(int i=0;i<3;i++)l[i]=dis(p[(i+1)%3],p[(i+2)%3]);ans=2.*PI;for(int i=0;i<3;i++){d[i]=2.*deg(l[(i)%3],l[(i+1)%3],l[(i+2)%3]);ans=fgcd(ans,d[i]);}printf("%dn",(int)(2.*PI/ans));}return 0;}
