#include <bits/stdc++.h>
using namespace std;

void solve() {
    int n, R, r;
    cin >> n >> R >> r;
    vector<int> ans;
    int dist = R * R;
    for(int i = 1, x, y; i <= n; i ++) {
        cin >> x >> y;
        if(x * x + y * y < dist) {
            dist = x * x + y * y;
            ans.clear();
        }
        if(x * x + y * y == dist)
            ans.push_back(i);
    }
    if(R > r) {
        cout << ans.size() << "\n";
        for(int x : ans) cout << x << " \n"[x == ans.back()];
    }else{
        cout << n << "\n";
        for(int i = 1; i <= n; i ++) cout << i << " \n"[i == n];
    }
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);

    int T;
    cin >> T;
    while(T --)
        solve();
}