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);
		}
	}

}

/**
 * 
 * @author slerig
 *
 */

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

public class ScoreChecker {

	/**
	 * @param args
	 * @throws FileNotFoundException 
	 */
	public static void main(String[] args) throws FileNotFoundException {
		File inFile = new File("B-large.in");
		PrintWriter outFile = new PrintWriter("B-large.out");
		Scanner in = new Scanner(inFile);
		
		int cases = in.nextInt();
		for(int i = 1; i <= cases; i++)
		{
			int googlers = in.nextInt();
			int surprising = in.nextInt();
			int minScore = in.nextInt();
			int googlersWithMin = 0;
			int[][] scores = new int[googlers][3];
			
			// Determining individual scores from total scores; before
			// surprising scores are taken into account.
			for(int j = 0; j < googlers; j++)
			{
				float score = in.nextLong();
				float ftemp = score / 3;
				int temp = (int)ftemp;
				if(ftemp - temp > 0.5)
				{
					scores[j][0] = temp + 1;
					scores[j][1] = temp + 1;
					scores[j][2] = temp;
				}
				else if(ftemp - temp > .25)
				{
					scores[j][0] = temp + 1;
					scores[j][1] = temp;
					scores[j][2] = temp;
				}
				else
				{
					for(int k = 0; k < 3; k++)
					{
						scores[j][k] = temp;
					}
				}
			}
			
			// Editing for surprising scores.
			for(int j = 0; j < googlers; j++)
			{
				// Very complicated way of deciding which scores are the surprising scores.
				if(surprising > 0 && scores[j][0] != 0 && scores[j][1] != 0 && scores[j][2] != 0)
					if(scores[j][0] != 10 && (scores[j][0] >= minScore-1 && scores[j][0] < minScore))
						if((scores[j][0] == scores[j][1]))
						{
							scores[j][0]++;
							scores[j][1]--;
							surprising--;
						}
			}
			
			// Checking for googlers with min score.
			for(int j = 0; j < googlers; j++)
			{
				if(scores[j][0] >= minScore)
					googlersWithMin++;
			}
			
			outFile.println("Case #" + i + ": " + googlersWithMin);
			
			/* Debugging code
			outFile.println();
			for(int j = 0; j < googlers; j++)
			{
				for(int k = 0; k < 3; k++)
				{
					outFile.print(scores[j][k] + " ");
				}
				outFile.println();
			}
			*/
		}
		outFile.close();
	}

}
