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.io.PrintWriter;
import java.util.ArrayList;
import java.util.Scanner;


public class Solver {
	Scanner inFile=null;
	PrintWriter outFile=null;
    int N=0;//number of googlers
    int S=0;//surprising triplet
    int p=0;
    int t[];
	int caseNo;
	int candidatecount=0;
	public Solver(int caseNo){
		this.caseNo=caseNo;
	}
	public void processInput(Scanner inFile,PrintWriter outFile){
		this.inFile=inFile;
		this.outFile=outFile;
		readInput();
		produceoutput();
		
	}
	private void produceoutput() {
       
	
		outFile.printf("Case #"+caseNo+": %d\n",candidatecount);
		
	}
	public void readInput(){
		String s="";
		if(inFile.hasNext()){
			//get the store credit
			N=Integer.parseInt(inFile.next().trim());
			S=Integer.parseInt(inFile.next().trim());
			p=Integer.parseInt(inFile.next().trim());
			
			t=new int[N];
			for(int i=0;i<N;i++){
				t[i]=Integer.parseInt(inFile.next().trim());
				Goggledance d=new Goggledance(t[i],p);
				if(d.isCandidate()&& !d.isSurprising()){
					candidatecount++;
				}
				else if(d.isCandidate()&& d.isSurprising() && S>0){
					candidatecount++;
					S--;
				}
			}
			if(inFile.hasNext())inFile.nextLine();			
		}
	}

}
