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.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.io.PrintStream;

public class B {

	public static void main(String[] args) throws NumberFormatException, IOException {
		File file = new File(args[0]);
		BufferedReader reader = new BufferedReader(new FileReader(file));
		PrintStream printer = new PrintStream(new File("B-large.txt"));

		int t = Integer.parseInt(reader.readLine());
		for (int i = 0; i < t; i++) {
			String sa = reader.readLine();
			String[] nums = sa.split(" ");
			// int n = Integer.parseInt(nums[0]);
			int s = Integer.parseInt(nums[1]);
			int p = Integer.parseInt(nums[2]);
			int cs = 0;
			int ans = 0;
			for (int j = 3; j < nums.length; j++) {
				int a = Integer.parseInt(nums[j]);
				if (isP(a, p)) {
					if (isSurprising(a, p)) {
						// not taking care of the scenario where 
						// mandate surprising are less than 's'
						// as the question confims there will atleast
						// be s ts that can be surprising
						cs++;
						if (cs > s)
							continue;
						ans++;
					}
					else
						ans++;
				}
			}
			printer.println("Case #" + (i+1) + ": " + ans);
		}
		printer.close();
		reader.close();
	}

	static boolean isSurprising(int a, int p) {
		if (((a - p) / 2) >= p)
			return false;
		if (Math.abs(p - ((a - p) / 2)) == 2)
			return true;
		return false;
	}
	
	static boolean isP(int a, int p) {
		if (a < p)
			return false;
		if (((a - p) / 2) >= p)
			return true;
		if (Math.abs(p - ((a - p) / 2)) <= 2)
			return true;
		return false;
	}
}
