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.*;
import java.util.*;
public class Solve {

	public static void main ( String[] args ) throws FileNotFoundException, IOException {
		BufferedReader in = new BufferedReader( new FileReader ( args[0] ) );
		BufferedWriter out = new BufferedWriter( new FileWriter ( "outfile.txt" ) );
		int cases = Integer.parseInt( in.readLine() );
		String[] tmp;
		int number, surprising, minimum, count, allMax, result;
		int[] scores;
		for ( int i = 1; i <= cases; i++ ) {
			tmp = in.readLine().split( " " );
			result = 0;
			number = Integer.parseInt( tmp[0] );
			surprising = Integer.parseInt( tmp[1] );
			minimum = Integer.parseInt( tmp[2] );
			scores = new int[ number ];
			allMax = minimum * 3;
			for ( int j = 0; j < number; j++ ) {
				scores[j] = Integer.parseInt( tmp[ j + 3 ] );
			}
			for ( int j = number - 1; j >= 0; j-- ) {
				if ( scores[j] > allMax - 3 ) {
					result ++;
				}
				else {
					if ( scores[j] >= allMax - 4 && minimum -2 >= 0) {
						if ( surprising > 0 ) {
							result++;
							surprising--;
						}
					}
				}
			}
			out.write( "Case #" + i + ": " + result );
			out.newLine();
			out.flush();
		}
		in.close();
		out.close();
	}
	public static String replace( String first, String second, char target, char replacement ) {
		String ret = "";
		for ( int i = 0; i < first.length(); i++ ) {
			if ( first.charAt( i ) == target ) {
				ret = ret + replacement;
			}
			else {
				ret = ret + second.charAt( i );
			}
		}
		return ret;		
	} 

}
