/*
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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 SolutionDancingWithGooglers {

	static int[] notes;
	static int surprising;
	
	
	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);
		
		int cases = sc.nextInt();
		
		for(int i = 0; i < cases; i++){
			
			int googlers = sc.nextInt();
			
			surprising = sc.nextInt();
			
			int p = sc.nextInt();
			
			int counter = 0;
			
			for(int j = 0; j < googlers; j++){
				int triplet = sc.nextInt();
				int[] scores = new int[3];
				
				scores[0] = triplet/3;
				triplet = triplet - triplet/3;
				scores[1] = triplet/2;
				triplet = triplet - triplet/2;
				scores[2] = triplet;
				
				counter = counter + verify(scores, surprising, p);
			}
			
			System.out.println("Case #" + (i+1) + ": " + counter);
			
		}
			
			
			
	}
		
	public static int verify(int[] v, int count, int comp){
		//System.out.println("count: "+count);
		if(good(v, comp)){
			 return 1;
		}else if(count != 0  && (v[0] > 0 && v[2] < 10)){
			if(v[0] != v[1] || v[2] != v[1] + 1){
			v = mod(v);
			if(possible(v) && good(v, comp)){ 
				surprising = count - 1;
				return 1;
			}else return 0;
			}else return 0;
		}else return 0;
		
	}
	
	public static boolean good(int[] v, int comp){
		
		for(int i = 0; i < v.length; i++){
			if(v[i] >= comp){ 
				return true;
			}
		}
		return false;
		
	}
	
	public static boolean possible(int[] v){
		
		if(Math.abs(v[0] - v[1]) > 2) return false;
		else if(Math.abs(v[1] - v[2]) > 2) return false;
		else if(Math.abs(v[2] - v[0]) > 2) return false;
		else return true;
		
	}
	
	public static int[] mod(int[] v){
		
		
		if(v[0] == v[1] && v[1] == v[2]){
			v[0] = v[0] - 1;
			v[2] = v[2] + 1;
			
			return v;
		}else{
			v[1] = v[1] - 1;
			v[2] = v[2] + 1;
			return v;
		}
		
	}
	
	

}
