package dancinggooglers;

import java.io.File;
import java.util.Scanner;

public class DanceScoreCalculator {


    public static void main(String[] args) {
        if(args.length <= 0 || args[0] == null) {
            System.out.println("You must enter a file to read");
            System.out.println("Usage: blah <filename>");
            System.exit(0);
        }

        File argFile = new File(args[0]);
        try {
            Scanner googleSpeakScanner = new Scanner(argFile);
            String firstLine = googleSpeakScanner.nextLine();
            Integer linesToScan = new Integer(firstLine);
            for(int i = 1; i <= linesToScan; i++) {
                String googleDancerLine = googleSpeakScanner.nextLine();
                DanceScoreCase danceCase = new DanceScoreCase(googleDancerLine);
                System.out.println(String.format("Case #%d: %d", i, danceCase.maxDancersThatCouldPass()));
            }
        }
        catch (Exception e) {
            e.printStackTrace();
        }
    }
}

import java.util.Scanner;


public class B {

	static Scanner in = new Scanner(System.in);

	int solve() {
		int N = in.nextInt();
		int S = in.nextInt();
		int p = in.nextInt();
		
		int yesLimit = p + 2 * Math.max(0, p-1);
		int maybeLimit = p + 2 * Math.max(0, p-2);
		
		int yes = 0;
		int maybe = 0;

		for (int i=0; i<N; ++i) {
			int totalPoints = in.nextInt();
			if (totalPoints >= yesLimit) {
				++yes;
			} else if (totalPoints >= maybeLimit) {
				++maybe;
			}
		}
		
		return yes + Math.min(S, maybe);
	}
	
	
	public static void main(String[] args) {
		int T = in.nextInt();
		for (int i=1; i<=T; ++i) {
			int ans = new B().solve();
			System.out.println("Case #" + i + ": " + ans);
		}

	}

}
