#include<bits/stdc++.h>
#define int long long
using namespace std;
int n;
int x[5005],y[5005];
int r1,r2;
const int inf=0x3f3f3f3f3f3f3f3f;
void test()
{
	cin>>n>>r1>>r2;
	for(int i=1;i<=n;i++)
		cin>>x[i]>>y[i];
	int d=r1-r2-r2;
	d=d*d;
	int minn=inf;
	for(int i=1;i<=n;i++)
		minn=min(minn,x[i]*x[i]+y[i]*y[i]);
	minn=max(minn,d);
	vector<int> v;
	for(int i=1;i<=n;i++)
		if(x[i]*x[i]+y[i]*y[i]<=minn)
			v.push_back(i);
	cout<<v.size()<<"\n";
	for(int x:v)
		cout<<x<<" ";
	cout<<"\n";
}
signed main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int t;
    cin>>t;
    for(int i=1;i<=t;i++)
    	test();
}