#include<stdio.h>struct line{int x1,y1,x2,y2;}h[110],v[110];int n,hn,vn;bool inst(line a,line b){return a.x1<=b.x1&&a.x2>=b.x1&&b.y1<=a.y1&&b.y2>=a.y1;}int main(){int i,j,k,l,cs,as;int x1,x2,y1,y2,ex;scanf("%d",&cs);while(cs--){hn=vn=0;scanf("%d",&n);for(i=0;i<n;i++){scanf("%d%d%d%d",&x1,&y1,&x2,&y2);if(x1==x2){if(y1>y2){ex=y1;y1=y2;y2=ex;}v[vn].x1=x1;v[vn].y1=y1;v[vn].y2=y2;vn++;}if(y1==y2){if(x1>x2){ex=x1;x1=x2;x2=ex;} h[hn].x1=x1;h[hn].x2=x2;h[hn].y1=y1;hn++;}}as=0;for(i=0;i<hn;i++) for(j=0;j<vn;j++) if(inst(h[i],v[j])) for(k=i+1;k<hn;k++) if(inst(h[k],v[j])) for(l=j+1;l<vn;l++) if(inst(h[i],v[l])) if(inst(h[k],v[l])) as++;printf("%dn",as);}return 0;}
