/*
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 * 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
    }

import java.util.Scanner;
public class Dancing {
  public static void main(String[] args) {
    
    Scanner sc = new Scanner(System.in);
    
    int numCases = sc.nextInt();
    
    for (int i = 0; i < numCases; i++) {
      int N = sc.nextInt();
      int S = sc.nextInt();
      int S_counter = S;
      int p = sc.nextInt();
      int numPassed = 0;
      int minSurprise;
      int minNoSurprise;
      
      //special cases
      if (p == 0) {
        minSurprise = 0;
        minNoSurprise = 0;
      }
      else if (p == 1) {
        minSurprise = 1;
        minNoSurprise = 1;
      }
      else {
        minSurprise = p + 2*(p - 2);
        minNoSurprise = p + 2*(p - 1);
      }
      
      if (minNoSurprise < 0) minNoSurprise = 0;
      for (int j = 0; j < N; j++) {
        int t = sc.nextInt();
        if (t < minSurprise) continue;
        else if (t < minNoSurprise && 
                 t >= minSurprise &&
                 S_counter <= 0) continue;
        else if (t < minNoSurprise && 
                 t >= minSurprise &&
                 S_counter > 0) {
          numPassed++;
          S_counter--;
        }
        else if (t >= minNoSurprise)
          numPassed++;
        else
          System.out.println("Something Broke"); 
      }
      System.out.println("Case #" + (i + 1) + ": " + numPassed);
    }
  }
}
    