import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Arrays;


public class GooglersDancer {

	/**
	 * @param args
	 * @throws IOException
	 */
	public static void main(String[] args) throws IOException {
		// TODO Auto-generated method stub
		InputStreamReader converter = new InputStreamReader(System.in);
		BufferedReader in = new BufferedReader(converter);
		if (in == null) {
		      return;
		    }
		String numTest = in.readLine();
		int maxCases = Integer.valueOf(numTest);
		for(int i=1;i<= maxCases;i++){
			String linea = in.readLine();
			String[] datos = linea.split(" ");
			Integer googlers = Integer.valueOf(datos[0]);
			Integer sospechosos = Integer.valueOf(datos[1]);
			Integer p = Integer.valueOf(datos[2]);
			Integer puntuacion;
			Integer personas = 0;
			ArrayList<Integer> puntuaciones = new ArrayList<Integer>();
			for(int j=0;j<googlers;j++){
				puntuacion = Integer.valueOf(datos[3+j]);
				puntuaciones.add(puntuacion);
			}
			Integer[] pOrdenado = null;
			pOrdenado = (Integer[]) puntuaciones.toArray(new Integer[puntuaciones.size()]);
			Arrays.sort(pOrdenado);
			int j;
			for(j=pOrdenado.length-1;j>=0;j--){
				if(pOrdenado[j] >= p*3-2){
					personas += 1;
				}else{
					break;
				}
			}
			int posibles = j+1-sospechosos;
			for(;j>=posibles && j>= 0;j--){
				if(pOrdenado[j] >= p*3-4 && pOrdenado[j] > p){
					personas += 1;
				}else{
					break;
				}
			}
			System.out.println("Case #"+i+": "+personas);
		}
	}

}

import java.io.File;
import java.io.FileNotFoundException;
import java.io.PrintStream;
import java.io.PrintWriter;
import java.util.*;


public class B {
	Scanner sc;
	PrintStream ps;

	public void solve() {
		int n = sc.nextInt();
		int s = sc.nextInt();
		int p = sc.nextInt();
		
		int nr = 0;
		
		for (int i=0; i<n; i++) {
			int k = sc.nextInt();
			if (p + 2 * Math.max(p-1, 0) <= k) {
				nr++;
			}
			else if ((s > 0) && (p + 2 * Math.max(p-2, 0) <= k)) {
				s--;
				nr++;
			}
		}
		
		ps.println(nr);
	}
	
	
	public void run(String[] args) throws FileNotFoundException {
		sc = new Scanner(new File("B.in"));
		ps = System.out; // new PrintWriter("B.out");
		int num_tests = sc.nextInt();
		sc.nextLine();
		
		for (int test=1; test<=num_tests; test++) {
			ps.print("Case #"+test+": ");
			
			solve();
			
		}
		ps.close();
		
	}
	
	public static void main(String[] args) throws FileNotFoundException {
		B a = new B();
		a.run(args);
	}
}
