/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package codejam.common;

import java.util.ArrayList;
import java.util.List;

/**
 *
 * @author Lance Chen
 */
public class CodeHelper {

    private static String FILE_ROOT = "D:/workspace/googlecodejam/meta";

    public static List<List<String>> loadInputsExcludes(String fileName) {
        List<List<String>> result = new ArrayList<List<String>>();
        List<String> lines = FileUtil.readLines(FILE_ROOT + fileName);
        int index = 0;
        for (String line : lines) {
            if (index == 0) {
                index++;
                continue;
            }
            if (index % 2 == 1) {
                index++;
                continue;
            }
            List<String> dataList = new ArrayList<String>();
            String[] dataArray = line.split("\\s+");
            for (String data : dataArray) {
                if (data.trim().length() > 0) {
                    dataList.add(data);
                }
            }
            result.add(dataList);
            index++;
        }
        return result;
    }

    public static List<List<String>> loadInputs(String fileName) {
        List<List<String>> result = new ArrayList<List<String>>();
        List<String> lines = FileUtil.readLines(FILE_ROOT + fileName);
        for (String line : lines) {
            List<String> dataList = new ArrayList<String>();
            String[] dataArray = line.split("\\s+");
            for (String data : dataArray) {
                if (data.trim().length() > 0) {
                    dataList.add(data);
                }
            }
            result.add(dataList);
        }
        return result;
    }

    public static List<String> loadInputLines(String fileName) {
        return FileUtil.readLines(FILE_ROOT + fileName);
    }

    public static void writeOutputs(String fileName, List<String> lines) {
        FileUtil.writeLines(FILE_ROOT + fileName, lines);
    }
}

import java.util.*;
import java.math.*;

public class dancingGooglers {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub

		Scanner scan = new Scanner(System.in);
		int numStrings = scan.nextInt();
		
		for(int i =1; i <= numStrings; i++){
			int numGooglers = scan.nextInt();
			int numSurprises = scan.nextInt();
			int p = scan.nextInt();
			
			int[] totalScores;
			totalScores = new int[numGooglers];
			
			int withoutSurpriseCount, withSurpriseCount;
			withoutSurpriseCount = 0 ;
			withSurpriseCount = 0;
			
			for(int j = 1; j <= numGooglers; j++){
				
				totalScores[j-1] = scan.nextInt();
				
				if(totalScores[j-1] >= p + 2*Math.max(p-1, 0)){
					withoutSurpriseCount = withoutSurpriseCount + 1;
				}
				else if(totalScores[j-1] >= p + 2*Math.max(p-2,0)){
					withSurpriseCount = withSurpriseCount + 1;
				}
			}
			
			//System.out.println("\n " + numGooglers + " " + numSurprises + " " + withoutSurpriseCount + " " + withSurpriseCount);
			
			int temp1 = Math.min(withSurpriseCount, numSurprises);
			int temp2 = temp1 + withoutSurpriseCount;
			int temp3 = Math.min(numGooglers, temp2);
			
			System.out.format("Case #%d: %d\n", i, temp3);
		
		}
	}

}
