//Author: Kevin
#include<bits/stdc++.h>
//#pragma GCC optimize("O2")
using namespace std;
#define ll long long
#define ull unsigned ll
#define pb emplace_back
#define mp make_pair
#define ALL(x) (x).begin(),(x).end()
#define rALL(x) (x).rbegin(),(x).rend()
#define srt(x) sort(ALL(x))
#define rev(x) reverse(ALL(x))
#define rsrt(x) sort(rALL(x))
#define sz(x) (int)(x.size())
#define inf 0x3f3f3f3f
#define pii pair<int,int>
#define lb(v,x) (int)(lower_bound(ALL(v),x)-v.begin())
#define ub(v,x) (int)(upper_bound(ALL(v),x)-v.begin())
#define uni(v) v.resize(unique(ALL(v))-v.begin())
#define longer __int128_t
void die(string S){puts(S.c_str());exit(0);}
int x[105],y[105];
int main()
{
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	int t;
	cin>>t;
	while(t--)
	{
		int n,R,r;
		cin>>n>>R>>r;
		for(int i=1;i<=n;i++)
			cin>>x[i]>>y[i];
		int cnt=0;
		for(int i=1;i<=n;i++)
		{
			if(R<r+r) continue;
			int len=R-r-r;
			if(x[i]*x[i]+y[i]*y[i]<=len*len)
				cnt++;
		}
		if(cnt)
		{
			cout<<cnt<<'\n';
			for(int i=1;i<=n;i++)
			{
				int len=R-r-r;
				if(x[i]*x[i]+y[i]*y[i]<=len*len)
				{
					cnt--;
					cout<<i;
					if(cnt)
						cout<<" ";
					else
						cout<<'\n';
				}
			}
		}
		else
		{
			int mn=inf;
			for(int i=1;i<=n;i++)
				mn=min(mn,x[i]*x[i]+y[i]*y[i]);
			int cnt=0;
			for(int i=1;i<=n;i++)
				if(mn==x[i]*x[i]+y[i]*y[i])
					cnt++;
			cout<<cnt<<'\n';
			for(int i=1;i<=n;i++)
				if(mn==x[i]*x[i]+y[i]*y[i])
				{
					cnt--;
					cout<<i;
					if(cnt)
						cout<<" ";
					else
						cout<<'\n';
				}
		}
	}
	return 0;
}