#include <fstream>
using namespace std;
int ce(int x,int y)
{
	int t;
	t=0;
	if((x-30)*(x-30)+(y-30)*(y-30)<400) t=1;
	if((x-100)*(x-100)+(y-30)*(y-30)<100) t=2;
	if((x-170)*(x-170)+(y-30)*(y-30)<25) t=3;
	return t;
}
int main()
{
	int n,i,j,m[61]={0},a[61],b[61][201],c[61][201];
	ifstream input("table2.in");
    ofstream output("table2.out");
	input>>n;
	for(i=1;i<=n;i++)
	{
		input>>a[i];
		for(j=1;j<=a[i];j++)
		{
			input>>b[i][j]>>c[i][j];
			m[i]+=ce(b[i][j],c[i][j]);
		}
	}
	for(i=1;i<=n;i++)
	{
		output<<m[i]<<endl;
	}
	input.close();
    output.close();
    return 0;
}