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.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.PrintStream;


public class Solver {
	
	protected final static String IN_FILE = "in";
	protected final static String OUT_FILE = "out";
	protected final static String OUT_PREFIX = "Case #$: ";
	protected BufferedReader in;
	protected int cases;
	
	
	public Solver() throws Throwable {
		File inFile = new File(IN_FILE);
		if (!inFile.exists()) {
			throw new RuntimeException();
		}
		in = new BufferedReader(new FileReader(inFile));
		cases = Integer.parseInt(in.readLine());
		
		
		File outFile = new File(OUT_FILE);
		if (outFile.exists()) {
			outFile.delete();
		}
		outFile.createNewFile();
		System.setOut(new PrintStream(outFile) );

		for (int i = 0; i < cases; i++) {
			ProblemCase c = new DancingGooglersProblemCase(in);
			System.out.println(OUT_PREFIX.replaceAll("[$]", (new Integer(i+1)).toString()) + c.getResult());
		}
	}
	
	public static void main(String[] args) throws Throwable {
		new Solver();
	}
}
