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.DataInputStream;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.InputStreamReader;
import java.util.Scanner;

public class Dancers {
    
    public static void main(String[] args) throws FileNotFoundException
    {
        FileInputStream file = new FileInputStream("C:\\Users\\Taghi\\Downloads\\B-large.in");
        DataInputStream in2 = new DataInputStream(file);
        Scanner in=new Scanner(new InputStreamReader(in2));
        int numberOfTests=in.nextInt();
        int[] results=new int[numberOfTests];
        for (int i=0;i<numberOfTests;i++)
        {
            int counter=0;
            int numberOfGooglers=in.nextInt();
            int N=in.nextInt();
            int p=in.nextInt();
            int j=0;
		while (j < numberOfGooglers) {
                    int score=in.nextInt();
			if (score < (3*p - 4)||score<p) {}
			else if (score <= (3*p - 3)) {
				if (N > 0) {
					counter++;
					N--;
				}
			}
			else {
				counter++;
			}
			j++;
		}
            results[i]=counter;
        }
        
        for (int i=0;i<numberOfTests;i++)
        {
            System.out.println("Case #"+(i+1)+": "+results[i]);
        }
    }
}
