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.*;

class Dancing
{
  public static int compute(int numGooglers, int numSurprising, int targetScore, int[]scores)
  {
    int count = 0;
    
    for(int i = 0; i < numGooglers; i++)
    {
      if(scores[i] >= targetScore && scores[i]/3 >= targetScore)
        count++;
      else if(scores[i] >= targetScore && scores[i]%3 > 0 && scores[i]/3 + 1 >= targetScore)
        count++;
      else if(scores[i] >= targetScore && numSurprising > 0 && scores[i]%3 == 0 && scores[i]/3 + 1 >= targetScore)
      {
        count++;
        numSurprising--;
      }
      else if(scores[i] >= targetScore && numSurprising > 0 && scores[i]%3 > 1 && scores[i]/3 + 2 >= targetScore)
      {
        count++;
        numSurprising--;
      }
    }
    
    return count;
  }
  
  public static void main(String[] args)
  {
    Scanner sc = new Scanner(System.in);
    int numCase, numSurprising, numGooglers, targetScore;
    int[] totalScores;
    
    numCase = sc.nextInt();
    
    for(int i = 0; i < numCase; i++)
    {
      numGooglers = sc.nextInt();
      numSurprising = sc.nextInt();
      targetScore = sc.nextInt();
      totalScores = new int[numGooglers];
      for(int j = 0; j < numGooglers; j++)
        totalScores[j] = sc.nextInt();
      
      System.out.println("Case #"+(i+1)+": "+compute(numGooglers, numSurprising, targetScore, totalScores));
    }
  }
}