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);
		}
	}

}

package codejam;

import java.io.*;
import java.util.Scanner;


public final class ReadWriteTextFile {


  
  /** Constructor. */
  ReadWriteTextFile(){
        try {
                out =new BufferedWriter(new FileWriter("output.in"));
            
                
              scanner = new Scanner(new FileInputStream("input.in"));
              

        } catch (FileNotFoundException ex) {
                  }catch (IOException ex) {
                
            }
  
      
  }
  
  /** Write fixed content to the given file. */
  void writeNextLine(int text)   {
        try {
            out.write("Case #"+lineNumber +": "+text+"\r\n");
  
            System.out.println("Case #"+lineNumber +": "+text);
            
        } catch (IOException ex) {
            
                 }
    
   lineNumber++;
  }
  
   String readLine()  {
    
       
       String output = scanner.nextLine();
      
    return output;
    
  }
   int readIntLine(){
    
    String output = scanner.nextLine();  
       return Integer.decode(output).intValue();
   }
   int readInt(){
    
       return scanner.nextInt();
   }
   
   public void close()
   {
        try {
            out.close();
        } catch (IOException ex) {
              }
   scanner.close();
   }
  // PRIVATE 
  private int lineNumber = 1;
  private BufferedWriter out = null;
  private Scanner scanner = null;
  
}