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.*;
public class DancingWithTheGooglers {

	public static void main(String[] args)throws IOException {
		BufferedReader bfr = new BufferedReader(
				new InputStreamReader(System.in));
		PrintWriter pr = new PrintWriter(System.out);
		int n = Integer.parseInt(bfr.readLine());
		for (int i = 1 ;i<=n;i++){
			String input []= bfr.readLine().split(" ");
			int googlers = Integer.parseInt(input[0]);
			int surprise = Integer.parseInt(input[1]);
			int max = Integer.parseInt(input[2]);
			int happens =0;
			for (int j =0;j<googlers;j++){
				int googler = Integer.parseInt(input[j+3]);
				int score[] ={(int)(googler/3),((double)googler/3==(int)googler/3)?(int)googler/3:(int)(googler/3)+1,(int) (googler-(Math.floor(googler/3)+(((double)googler/3==(int)googler/3)?(int)googler/3:(int)(googler/3)+1)))};
				if (score[0]>=max||score[1]>=max||score[2]>=max)
					happens++;
				else if (score[0]==score[2]){
					if(score[0]+1>=max&&score[0]-1>=0)
						if (surprise>0){
						happens++;
						surprise--;
						}
				}else if (score[1]==score[2]&&score[0]-1>=0){
					if(score[1]+1>=max)
						if (surprise>0){
						happens++;
						surprise--;
						}
				}
				
			}
			pr.printf("Case #%d: %d\n", i,happens);
			pr.flush();
		}

	}

}
