#include<stdio.h>
void solve()
{
	int h, w;
	scanf("%d %d", &h, &w);
	int x, y;
	scanf("%d %d", &x, &y);
	int nx, ny;
	nx = ny = 1;
	ny = y - 1;
	printf("%d %d\n", nx, ny);
	fflush(stdout);
	scanf("%d %d", &x, &y);
	if (x <= 0)
		return;
	nx = x;
	printf("%d %d\n", nx, ny);
	fflush(stdout);
	scanf("%d %d", &x, &y);
	if (x <= 0)
		return;
	nx = x;
	ny++;
	printf("%d %d\n", nx, ny);
	fflush(stdout);
	scanf("%d %d", &x, &y);
	return;
}
int main()
{
	int t;
	scanf("%d", &t);
	for (; t > 0; t--)
		solve();
	return 0;
}