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);
		}
	}

}


public class Triplet implements Comparable<Triplet> {
	
	private int s1;
	private int s2;
	private int s3;
	
	public Triplet(int _s1,int _s2,int _s3){
		s1=_s1;
		s2=_s2;
		s3=_s3;
	}
	
	@Override
	public int compareTo(Triplet o) {
		return new Integer(o.getMax()).compareTo(this.getMax());
	}
	
	public boolean isSurprising(){
		if(Math.abs(s1-s2)==2 || Math.abs(s1-s3)==2 || Math.abs(s2-s3)==2) return true;
		return false;
	}
	
	public int getMax(){
		if(s1>s2 && s1>s3) return s1;
		else if (s2>s3) return s2;
		else return s3;
	}
	
	public void setS1(int s1) {
		this.s1 = s1;
	}
	public int getS1() {
		return s1;
	}
	public void setS2(int s2) {
		this.s2 = s2;
	}
	public int getS2() {
		return s2;
	}
	public void setS3(int s3) {
		this.s3 = s3;
	}
	public int getS3() {
		return s3;
	}
	
	

}
