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.*;
import java.util.*;

public class Main{

    String inputFile = "B-large.in";
    PrintStream output;
    Scanner fileScanner;
    int outputLine = 0;
    double start = System.currentTimeMillis();

    public Main(){
        newCodeJam();

        fileScanner.nextLine();
        while (fileScanner.hasNextLine()){
            String line = fileScanner.nextLine();
            Scanner scanner = new Scanner(line);
            ArrayList<Integer> scores = new ArrayList<Integer>();
            
            int N = scanner.nextInt();
            int S = scanner.nextInt();
            int p = scanner.nextInt();
            while (scanner.hasNext()){
            	scores.add(scanner.nextInt()); 
            }
            
            println(solve(N, S, p, scores) +"");
        }

        output.close();
        System.out.println("Finished.");
        System.out.println("Time Taken: " + ((System.currentTimeMillis()-start)/1000) + " seconds.");
    }

   

    
    private int solve(int N, int S, int p, ArrayList<Integer> list){
    	
    	int ans = 0;
    	Collections.sort(list);
    	
    	for (int x=list.size()-1; x>=0; x--){
    		int num = list.get(x);
    		int normalBestResult = normalBestResult(num);
    		
    		if (normalBestResult >= p){
    			ans++;
    		}else{
    			if (surpriseWillAddOne(num) && S > 0){
    				if ((normalBestResult + 1) >= p){
    					ans++;
    					S = S - 1;
    				}
    			}
    		}
    	}
    	
    	return ans;
    }
    
    
    private int normalBestResult(int num){
    	if (num % 3 == 0){
    		return (num / 3);
    	}else {
    		return (num / 3) + 1;
    	}
    }
    
    
    private boolean surpriseWillAddOne(int num){
    	
    	if (num < 2 || num > 28){
    		return false;
    	}
    	
    	if (num % 3 == 1){
    		return false;
    	}else {
    		return true;
    	}
    }
    
    
    // CodeJam Utility Methods:
    
    public void newCodeJam(){
    	String outputFile = inputFile.substring(0, inputFile.length()-3) + "-OUTPUT.out";
        System.out.print("\f");
        // open input file
        try {
            fileScanner = new Scanner(new File(inputFile));
        }catch(IOException e) {}
        // open output file
        try {
            output = new PrintStream(new File(outputFile));
        }catch(IOException ex) {}
    }

    public void println(String s){
        outputLine++;
        output.println("Case #" + outputLine + ": " + s);
    }

    public static void main(String[] args){
        new Main();
    }

}