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.util.Scanner;
import java.io.File;

public class dancing
{
   Scanner in;
   int p;
   int s;
   int[] scores;
   int minScore;
   int minSurpScore;

   public dancing()
   {
      try
      {
         in = new Scanner(new File("input.txt"));
         in.nextLine();
         int count = 1;

         while(in.hasNextLine())
         {
            String line = in.nextLine();
            String[] inputCrap = line.split(" ");

            s = Integer.parseInt(inputCrap[1]);
            p = Integer.parseInt(inputCrap[2]);

            scores = new int[Integer.parseInt(inputCrap[0])];

            for(int i = 0; i < scores.length; i++)
            {
               scores[i] = Integer.parseInt(inputCrap[i+3]);
            }

            minScore = calcMinScore();
            minSurpScore = calcMinSurpScore();
            int total = countScores();

            System.out.println("Case #" + count + ": " + total);
            count++;
         }
      }

      catch(Exception e)
      {
         System.out.println("You messed up.");
         e.printStackTrace();
      }
   }

   public int calcMinSurpScore()
   {
      if(p < 2)
         return p;
      return 2 * (p-1) + (p-2);
   }

   public int calcMinScore()
   {
      if(p<2)
         return p;
      return 2 * (p-1) + p;
   }

   public int countScores()
   {
      int count = 0;

      for(int i = 0; i < scores.length; i++)
      {
         if(scores[i] >= minScore)
            count++;
         else if(scores[i] >= minSurpScore && s > 0)
         {
            count++;
            s--;
         }
      }

      return count;
   }

   public static void main(String[] args)
   {
      dancing d = new dancing();
   }

}
