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

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
    
/**
 * 
 * @author dannocz
 */
public class InputReader {
    
    public static Input readFile(String filename){
        try {
              
              /*  Sets up a file reader to read the file passed on the command
          77        line one character at a time */
              FileReader input = new FileReader(filename);
              
              /* Filter FileReader through a Buffered read to read a line at a
                 time */
              BufferedReader bufRead = new BufferedReader(input);
              
              String line;    // String that holds current file line
              int count = 0;  // Line number of count 
              ArrayList<String> cases= new ArrayList<String>();
              
              // Read first line
              line = bufRead.readLine();
              int noTestCases=Integer.parseInt(line);
              count++;
              
              // Read through file one line at time. Print line # and line
              while (count<=noTestCases){
                  //System.out.println("Reading. "+count+": "+line);
                  line = bufRead.readLine();
                  cases.add(line);
                  count++;
              }
              
              bufRead.close();
              
              return new Input(noTestCases,cases);
              
          }catch (ArrayIndexOutOfBoundsException e){
              /* If no file was passed on the command line, this expception is
              generated. A message indicating how to the class should be
              called is displayed */
              e.printStackTrace();        
  
          }catch (IOException e){
              // If another exception is generated, print a stack trace
              e.printStackTrace();
          }
        
        return null;
          
      }// end main
    }

/////     put all imports here    /////////

import java.io.*;
import java.util.*;                // for system.out n stuff
import static java.lang.Math.*;    

///////////////////////////////////////////

public class Dancing {
	public static void main(String[] args) throws FileNotFoundException{
		
		//  handy scanner that everyone uses
		//  nextInt() nextLong() ect. 
	    //  these actually return int and long
		//  happy coding
		Scanner in = new Scanner(System.in);
		
		
		int NumCases = in.nextInt();
		for(int CasesDone=0; CasesDone < NumCases; CasesDone++){
			
			
			
					
			//dont forget to delete the last output from GoogleOut
			System.setOut(new PrintStream(new FileOutputStream("/Users/NathanBreitsch/Desktop/GoogleOut/StoreCreditOut", true)));
			
			
			

			int N = in.nextInt();
			int S = in.nextInt();
			int P = in.nextInt();
			
			int P1 = Math.max(0, P-1);
			int P2 = Math.max(0, P-2);
			
			
			PriorityQueue<Integer> t= new PriorityQueue<Integer>(20, new Comparator<Integer>(){
	            public int compare(Integer o1, Integer o2){
	                return o2 - o1;
	            }
	        });
			
			
			
			for (int i = 0; i < N; i++){
				t.add(in.nextInt());
			}
			
			int sup = 0;
			int max = 0;
			while((sup < S) && (!t.isEmpty())){

				
				
				if (P + 2*(P1) <= t.peek()){
					max++;
				}
				else if(P + 2*(P2) <= t.peek()){
					max ++;
					sup ++;
				}
				
				t.poll();
			}
			
			
			while(! t.isEmpty()){

				
				
				if (P + 2*(P1) <= t.peek()){
					max++;
				}
				
				t.poll();
			}
			
			
			//In Europe, the first floor is numbered zero.
			//But this is America!  Hence the +1
			System.out.print("Case #" + (CasesDone+1) + ": ");
			
			System.out.print(max);
			
			System.out.println();
			
			
		}
	}
}
