#include <bits/stdc++.h>
#define cerr cout << "in " << __LINE__ << "\t: "
using namespace std;
#define int long long
int n, R, r;
array<int, 3> a[110];
void Solve(int test) {
	cin >> n >> R >> r;
	for (int i = 1; i <= n; i++)
		cin >> a[i][0] >> a[i][1], a[i][2] = i;
	sort(a + 1, a + n + 1, [&](array<int, 3> x, array<int, 3> y) {
		return x[0] * x[0] + x[1] * x[1] < y[0] * y[0] + y[1] * y[1];
	});
	int i = 1;
	for (; i <= n - 1;) {
		i++;
		if (a[i][0] * a[i][0] + a[i][1] * a[i][1] == a[i - 1][0] * a[i - 1][0] + a[i - 1][1] * a[i - 1][1])
			continue;
		if (a[i][0] * a[i][0] + a[i][1] * a[i][1] <= (R - r * 2) * (R - r * 2))
			continue;
		i--;
		break;
	}
	cout << i << "\n";
	sort(a + 1, a + i + 1, [&](array<int, 3> x, array<int, 3> y) {
		return x[2] < y[2];
	});
	for (int j = 1; j <= i; j++)
		cout << a[j][2] << " \n"[j == i];
}
signed main() {
	ios::sync_with_stdio(false);
	cin.tie(0), cout.tie(0);
	int T;
	cin >> T;
	for (int i = 1; i <= T; i++) Solve(i);
	return 0;
}