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 mgg.utils;

import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;

/**
 * @author manolo
 * @date 13/04/12
 */
public class FileUtil {

	FileReader reader;
	FileWriter writer;
	
	public FileUtil(String input, String output) {
		try {
			reader = new FileReader(input);
			writer = new FileWriter(output);
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
		
	public String getLine(){
		try {
			
			StringBuilder builder = new StringBuilder();
			char c = (char) reader.read();
			while (c != '\n') {
				builder.append(c);
				//System.out.println("\t\t\t> char: '" + c + "'");
				c = (char) reader.read();
			} ;
			
			System.out.println("\t\t\t----------> line: '" + builder.toString() + "'");
			
			return builder.toString();
			
		} catch (IOException e) {
			e.printStackTrace();
		}
		
		return null;
	}
	
	public void printLine(int lineNumber, String line){
		try {
			writer.write("Case #" + lineNumber + ": " + line + "\n");
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
	
	public void closeFiles(){
		try {
			reader.close();
			writer.close();
		} catch (IOException e) {
			e.printStackTrace();
		}
		
	}
		
}
