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);
		}
	}

}

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package CodeJam2012;

import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Scanner;

/**
 *
 * @author asha.j
 */
public class DancingGooglers {
    
    
    public static void main(String[] args) throws IOException {
        String filename= "B-large";
        Scanner scanner= new Scanner(new File("D:\\codejam\\"+filename+".in"));
        BufferedWriter writer= new BufferedWriter(new FileWriter("D:\\codejam\\"+filename+".out"));
        int numOfCases = scanner.nextInt();
        int noOfGooglers;
        int surpriseScoreCount;
        int p;
        int countAboveP=0;
        ArrayList<Integer> list= new ArrayList<Integer>();
        for(int i=1;i<=numOfCases;i++){
            list.clear();
            countAboveP=0;
            noOfGooglers= scanner.nextInt();
            surpriseScoreCount= scanner.nextInt();
            p= scanner.nextInt();
            for(int m=0;m<noOfGooglers;m++){
                    int data= scanner.nextInt();
                    list.add(data);
            }
            countAboveP= processCase(list, surpriseScoreCount, p);
            writer.write("Case #"+(i)+": "+countAboveP+"\n");
            writer.flush();
        }

    }
    
    private static int processCase(ArrayList<Integer> list,int surprising, int p){
        //System.out.println("processCase:"+list+"  sur:"+surprising+" p:"+p);
        int third;
        int reminder;
        int countAboveP=0;
        for(int score: list){
            third= score/3;
            reminder= score%3;
            if(score==0){
                if(p==0){
                    ++countAboveP;
                }
                continue;
            }
            if(third>=p){
                ++countAboveP;
            }else if(reminder==0){
                if(third+1 >=p && surprising>0){
                    --surprising;
                    ++countAboveP;
                }
            }else if(reminder==1){
                if(third+1 >=p){
                    ++countAboveP;
                }
            }else if(reminder==2){
                if(third+1 >=p){
                    ++countAboveP;
                }else if(third+2 >=p && surprising>0){
                    --surprising;
                    ++countAboveP;
                }
            }
        }
        return countAboveP;
    }
}
