#include<cstdio>
#define int long long
int read(){
	char ch=getchar();int nn=0,ssss=1;
	while(ch<'0'||ch>'9'){if(ch=='-')ssss*=-1;ch=getchar();}
	while(ch>='0'&&ch<='9'){nn=nn*10+(ch-'0');ch=getchar();}
	return nn*ssss;
}
#define in1(x,y) ((x)>=x1&&(x)<=x2&&(y)>=y1&&(y)<=y2)
#define in2(x,y) ((x)>=x3&&(x)<=x4&&(y)>=y3&&(y)<=y4)
bool solve(){
	int x1=read();int y1=read();
	int x2=read();int y2=read();
	int x3=read();int y3=read();
	int x4=read();int y4=read();
	if(x1==x3&&y1==y3&&x2==y2&&x4==y4){
		puts("2");
		return true;
	}
	if(in2(x1,y1)&&in2(x2,y2)&&in2(x1,y2)&&in2(x2,y1)){
		puts("3");
		return true;
	}
	if(in1(x3,y3)&&in1(x4,y4)&&in1(x3,y4)&&in1(x4,y3)){
		puts("3");
		return true;
	}
	if(y2<=y3||y1>=y4||x2<=x3||x1>=x4){
		puts("3");
		return true;
	}
	puts("4");
	return true;
}
signed main(){
	int T=read();
	while(T--)solve();
}