#include<bits/stdc++.h>
#define ll  long long
#define ull unsigned long long
#define ld long double
#define pii pair<ll,ll>
using namespace std;
//#pragma GCC optimize(3)
const ll inf =(1ll<<50);
#define N 1000005
#define M 998244353
#define M1 1000000007
#define M2 1000000009
struct Pos
{
    ll x,y,id;
    ld r;
    bool operator <(Pos b)
    {
        return r<b.r;
    }
}p[N];

int main()
{
   ios::sync_with_stdio(0);
   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>>p[i].x>>p[i].y;
           p[i].id=i;
           p[i].r=sqrt((ld)(p[i].x*p[i].x+p[i].y*p[i].y));
       }
       sort(p+1,p+1+n);
       vector<ll> ans;
       ll rd=abs(R-r-r);
       if(rd>p[1].r)
       {
           for(int i=1;i<=n;i++)
           {
               if(p[i].r>rd) break;
               ans.push_back(p[i].id);
           }
       }
       else
       {
           for(int i=1;i<=n;i++)
           {
               if(p[i].r>p[1].r) break;
               ans.push_back(p[i].id);
           }
       }
       sort(ans.begin(),ans.end());
       cout<<ans.size()<<endl<<ans[0];
       for(int i=1;i<ans.size();i++) {
           cout << ' ' << ans[i];
       }
       cout<<endl;
   };

    return 0;
}
//1 5
//32 32 15 15 15