package problem1;

import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintStream;
import java.util.Arrays;





public class Problem1 {

    public static void main(String[] args) throws FileNotFoundException, IOException{
        try {
             TextIO.readFile("L:\\Coodejam\\Input\\Input.txt");
        }
        catch (IllegalArgumentException e) {
              System.out.println("Can't open file ");
              System.exit(0);
         }
        
        FileOutputStream fout = new FileOutputStream("L:\\Coodejam\\Output\\output.txt");
        PrintStream ps=new PrintStream(fout);
        
        int cases=TextIO.getInt();
        int googlers=0,surprising=0,least=0;
        for(int i=0;i<cases;i++){
            int counter=0;
            googlers=TextIO.getInt();
            surprising=TextIO.getInt();
            least=TextIO.getInt();
            int score[]=new int[googlers];
            for(int j=0;j<googlers;j++){
                score[j]=TextIO.getInt();
                 }
            
            
            
            
            Arrays.sort(score);
            int temp=0;
            int sup[]=new int[surprising];
            
          for(int j=0;j<googlers && surprising>0;j++){
               if(biggestNS(score[j])<least && biggestS(score[j])==least){
                   surprising--;
                   counter++;
                }
               }
           
            for(int j=0;j<googlers;j++){
                if(surprising==0)temp=biggestNS(score[j]);
                    
                else {
                    temp=biggestS(score[j]);
                    surprising--;     
                } 
                   if(temp>=least)counter++;
           
             }
            
             ps.println("Case #"+(i+1)+": "+counter);
        }
    }
    
   static int biggestNS(int x){
       if(x==0)return 0;
       if(x==1)return 1;
       return ((x-1)/3)+1;
   }
   
   static int biggestS(int x){
       if(x==0)return 0;
       if(x==1)return 1;
       return ((x-2)/3)+2;
   }
}
import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.InputStreamReader;
import java.util.Scanner;
import java.util.StringTokenizer;


public class Recycle {

	public Recycle()
	{
		readFile("Files/recycle.in");
	}
	public void readFile(String file)
	{
		try{
			FileInputStream fstream = new FileInputStream(file);
			DataInputStream in = new DataInputStream(fstream);
			BufferedReader br = new BufferedReader(new InputStreamReader(in));
			String strLine = "";
			br.readLine();
			int count = 1;
			while ((strLine = br.readLine()) != null)  
			{
				System.out.print("Case #" + (count++) + ": ");
				Scanner scanner = new Scanner(strLine);
				int numSurprising = 0;
				int p = 0;
				scanner.nextInt();
				int numMax = 0;
				numSurprising = scanner.nextInt();
				p = scanner.nextInt();
				while(scanner.hasNextInt())
				{
					int current = scanner.nextInt();
					if(current == 0 && p != 0)
						continue;
					else if(current == 0 && p == 0)
						numMax++;
					else if(current >= (3*p-2))
					{
						numMax++;
					}
					else if(numSurprising > 0 && ((3*p-2) - current) <= 2)
					{
						numSurprising--;
						numMax++;
					}
				}
					
					
				System.out.print(numMax);
				System.out.println();
			}
		}catch(Exception e){}
	}
	public static void main(String [] args)
	{
		Recycle r = new Recycle();
	}
}
