#include<cstdio>
#include<iostream>
#include<cmath>
using namespace std;
const double eps=1e-8;
struct Point
{
    double x,y,dis;
}a[10000];
int ans[10000];
int main ()
{
    int t,n,R,r,ansr;
    scanf("%d",&t);
    while(t--)
    {
       scanf("%d %d %d",&n,&R,&r);
       if
 
(R>=2*r) ansr=R-2*r;
       else ansr=2*r-R;
       int sum=0,flag=0;
       double minn=1e7+7;
       for(int i=0;i<n;i++)
       {
           scanf("%lf %lf",&a[i].x,&a[i].y);
           a[i].dis=sqrt(a[i].x*a[i].x+a[i].y*a[i].y);
           if(a[i].dis<=minn) minn=a[i].dis;
           if
 
(a[i].dis<=ansr) {flag=1;ans[sum++]=i+1;}
       }
       if(flag)
       {
           printf("%d\n",sum);
           for(int i=0;i<sum;i++)
            printf(i==sum-1?"%d\n":"%d ",ans[i]);
       }
       else
       {
           sum=0;
          for(int i=0;i<n;i++)
              if(abs(a[i].dis-minn)<=eps) ans[sum++]=i+1
 
;
          printf("%d\n",sum);
          for(int i=0;i<sum;i++)
            printf(i==sum-1?"%d\n":"%d ",ans[i]);
       }
    }
}