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.List;

public class ProblemSample implements Problem {

	private Integer solution;

	private List<Integer> scores;

	private int S;

	private int p;

	@Override
	public void solve() {
		solution = 0;
		int equit = 3 * p;
		for (Integer score : scores) {
			if (score >= p) {
				int diff = equit - score;
				if (diff < 3) {
					solution++;
				} else if (diff < 5 && S > 0) {
					S--;
					solution++;
				}
			}
		}
	}

	@Override
	public Object getSolution() {
		return solution;
	}

	public void setSolution(Integer solution) {
		this.solution = solution;
	}

	public int getP() {
		return p;
	}

	public void setP(int p) {
		this.p = p;
	}

	public int getS() {
		return S;
	}

	public void setS(int s) {
		S = s;
	}

	public List<Integer> getScores() {
		return scores;
	}

	public void setScores(List<Integer> scores) {
		this.scores = scores;
	}

}
