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.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;

public class Googlers {
	
	static int judgeGooglersNum(String input) {
		int result = 0;
		String[] s = input.split(" ");
		int N = Integer.parseInt(s[0]);
		int S = Integer.parseInt(s[1]);
		int p = Integer.parseInt(s[2]);
		int total = p > 0 ? p + (p - 1) + (p - 1) : 0;
		int totalS = p > 1 ? p + (p - 2) + (p - 2) : total;
//		System.out.println(N + "," + S + "," + p + "," + 
//			total + "," + totalS);
		for(int i = 3; i < N + 3; i++) {
			int now = Integer.parseInt(s[i]); 
			if(now >= total || (now >= totalS && S-- > 0)) {
				result++;
			}
		}
		return result;
	}

	public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new FileReader("src/B-small-attempt0.in"));
        BufferedWriter bw = new BufferedWriter(new FileWriter("src/B-small.out"));
        int T = Integer.parseInt(br.readLine());
		for(int i = 0; i < T; i++) {
			bw.write("Case #" + (i+1) + ": " +
					judgeGooglersNum(br.readLine()));
			bw.newLine();
		}
        bw.flush();
        bw.close();
        br.close();
	}
}
