#include <bits/stdc++.h>
#include <atcoder/all>

using namespace std;
using ll = long long;
#define rep(i, s, t) for (ll i = s; i < (ll)(t); i++)
#define all(x) begin(x), end(x)

template <class T> bool chmin(T& x, T y) {
	return x > y ? (x = y, true) : false;
}
template <class T> bool chmax(T& x, T y) {
	return x < y ? (x = y, true) : false;
}

void solve() {
	int h, w;
	cin >> h >> w;
	int x, y;
	auto input = [&]() {
		cin >> x >> y;
		if (x == -1) exit(0);
		if (x == 0) return 1;
		x--, y--;
		return 0;
	};
	if (input()) return;
	int nx = 0, ny = 0;
	while (nx < x - 1) {
		nx = x - 1;
		cout << nx + 1 << ' ' << ny + 1 << endl;
		if (input()) return;
	}
	ny = y;
	cout << nx + 1 << ' ' << ny + 1 << endl;
	if (input()) return;
	cout << x << ' ' << y + 1 << endl;
	input();
}

int main() {
	ios::sync_with_stdio(false);
	cin.tie(nullptr);
	cout << fixed << setprecision(15);
	int t = 1;
	cin >> t;
	while (t--) solve();
}