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

int calc(int x1,int y1,int x2,int y2,int Lx,int Ly,int Rx,int Ry){
	if(x1==Lx&&y1==Ly&&x2==Rx&&y2==Ry)return 1;
	if(x1==Lx&&y1<Ly&&x2==Rx&&Ry<y2)return 3;
	if(x1<Lx&&y1==Ly&&Rx<x2&&Ry==y2)return 3;
	return 2;
}

int main(){
	int t;scanf("%d",&t);
	while(t--){
		int Ax1,Ay1,Ax2,Ay2,Bx1,By1,Bx2,By2;
		scanf("%d%d%d%d%d%d%d%d",&Ax1,&Ay1,&Ax2,&Ay2,&Bx1,&By1,&Bx2,&By2);
		int Lx=max(Ax1,Bx1),Rx=min(Ax2,Bx2);
		int Ly=max(Ay1,By1),Ry=min(Ay2,By2);
		if(Lx>=Rx||Ly>=Ry){
			printf("3\n");
			continue;
		}
		printf("%d\n",calc(Ax1,Ay1,Ax2,Ay2,Lx,Ly,Rx,Ry)+calc(Bx1,By1,Bx2,By2,Lx,Ly,Rx,Ry));
	}
}