// iostream is too mainstream
#include <cstdio>
// bitch please
#include <iostream>
#include <algorithm>
#include <cstdlib>
#include <vector>
#include <set>
#include <map>
#include <queue>
#include <stack>
#include <list>
#include <cmath>
#include <iomanip>
#define dibs reserve
#define OVER9000 1234567890
#define ALL_THE(CAKE,LIE) for(auto LIE =CAKE.begin(); LIE != CAKE.end(); LIE++)
#define tisic 47
#define soclose 1e-8
#define chocolate win
// so much chocolate
#define patkan 9
#define ff first
#define ss second
#define abs(x) ((x < 0)?-(x):x)
#define uint unsigned int
#define dbl long double
using namespace std;
// mylittledoge
 
struct fin {
	vector<int> T;
	fin(int N) {T.resize(N+1,N+1);}
 
	int lastone(int x) {return x&(x^(x-1));}
 
	void put(int pos, int val) {
		for(int i =pos+1; i < T.size(); i +=lastone(i)) T[i] =min(T[i],val);
		}
 
	int get(int pos) {
		int ret =OVER9000;
		for(int i =pos+1; i > 0; i -=lastone(i)) ret =min(ret,T[i]);
		return ret;}
	};
 
int main() {
	cin.sync_with_stdio(0);
	cin.tie(0);
	int T;
	cin >> T;
	for(int t =0; t < T; t++) {
		int N;
		cin >> N;
		vector< pair<int,int> > V(N);
		for(int i =0; i < N; i++) {
			int a,b,c;
			cin >> a >> b >> c;
			V[a-1] =make_pair(b,c);}
		fin F(N+tisic);
		int ans =0;
		for(int i =0; i < N; i++) {
			if(F.get(V[i].ff) > V[i].ss) ans++;
			F.put(V[i].ff,V[i].ss);}
		cout << ans << "\n";}
	return 0;}
 
// look at my code
// my code is amazing

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3
3
2 3 2
3 2 3
1 1 1
3
1 2 3
2 3 1
3 1 2
10
1 7 10
3 9 7
2 2 9
5 10 8
4 3 5
7 5 2
6 1 3
9 6 6
8 4 4
10 8 1