#include<iostream>
#include<fstream>
#include<string>
using namespace std;
int main(){
	ifstream fin("table2.in");
	ofstream fout("table2.out");
	int T,n,x,y,a,b,s=0;
	int p[3]={30,100,170},q[3]={20,10,5};
	fin>>T;
	for(int j=0;j<T;j++){
		fin>>n;
		for(int k=0;k<n;k++){
			fin>>x>>y;
			for(int i=0;i<3;i++){
				if(x>=p[i])
				    a=x-p[i];
				else
					a=p[i]-x;
				if(y>=30)
			        b=y-30;
				else
					b=30-y;
			    if(a*a+b*b<q[i]){
				    s=s+i+1;
					break;
				}
			}
		}
		fout<<s<<endl;
		s=0;
	}
	return 0;
}