import java.util.*;

public class B {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int T = sc.nextInt();
        B th = new B();
        for (int i = 0; i < T; i++) {
            int n = sc.nextInt();
            int s = sc.nextInt();
            int p = sc.nextInt();
            int[] t = new int[n];
            for (int j = 0; j < n; j++) {
                t[j] = sc.nextInt();
            }
            int c = th.getAnswer(s,p,t);
            System.out.println("Case #" + (i+1) + ": " + c);
        }
    }
    public int getAnswer(int s, int p, int[] t) {
        int A1 = p + p-1+p-1;
        int A2 = p + p-2+p-2;
        if (A1 < 0)
            A1 = 0;
        if (A2 < 0)
            A2 = 1;
        int remain = s;
        int count = 0;
        int n = t.length;
        for (int i = 0; i < n; i++) {
            if (t[i] >= A1) {
                count++;
            } else if (t[i] < A1 && t[i] >= A2) {
                if (remain > 0) {
                    remain--;
                    count++;
                }
            }
        }
        return count;
    }
}


import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.StringTokenizer;


public class Dancing { 
	
	
 	public static void main(String[] arg) throws Exception {
 		Dancing pg = new Dancing();
	 
		 pg.go();
	}
 	
 	Dancing()
	{
 	 
 
	}
 	

 	private int addThisScore(int totalPoints, int p)
 	{
 		int avg = totalPoints / 3;
 		int low = Math.max(0,  avg - 2);
 		int high = Math.min(10, avg + 2);
 		int bestResult;
 		
 		int S, NS;
 		S = 0;
 		NS = 0;
 	
 		for(int i = low; i <=high; i++)
 		{
 			for(int j = low; j <=high; j++)
 	 		{
 				for(int k = low; k <=high; k++)
 		 		{
 		 			if((i + j + k) != totalPoints)
 		 				continue;
 		 			
 		 			if(Math.abs(i-j) > 2 || Math.abs(j-k) > 2 || Math.abs(i-k) > 2)
 		 				continue;
 		 			
 		 			bestResult = Math.max(Math.max(i, j),k);
 		 			if(bestResult < p)
 		 				continue;
 		 				
 		 			//System.out.println("Triplet = " +i +" "+j +" "+k);
 		 			
 		 			if(bestResult >= p)
 		 			{
 		 				//is this a surprising triplet
 		 				if(Math.abs(i-j) == 2 || Math.abs(j-k) == 2 || Math.abs(i-k) == 2)
 		 				{
 		 					S = 2;
 		 				}
 		 				else
 		 				   NS = 1;
 		 			}
 		 			
 		 		}
 	 			
 	 		}
 			
 		}
 		return S + NS;
 	}
 	public void go()
	{
 		String line = "";
			try {
			    BufferedReader in = new BufferedReader(new FileReader("B-large.in"));
			     
			    StringBuilder outString = new StringBuilder();
			    StringTokenizer tokens;
			    
	             
	            int caseNo = 0;
	             
	            int T = Integer.parseInt(in.readLine().trim());
	            int N, S, p, t;
	            int totalGooglers;
	            int totalSurprisingTriplets;
	            while(caseNo++ < T)
	            {
 	              line = in.readLine().trim();
 	              totalGooglers = 0;
 	              totalSurprisingTriplets = 0;
 	              tokens = new StringTokenizer(line);
 	              N = Integer.parseInt(tokens.nextToken().trim());
 	              S = Integer.parseInt(tokens.nextToken().trim()); //noof surprises
 	              p = Integer.parseInt(tokens.nextToken().trim());
 	              int res;
 	              while(N > 0)
 	              {
 	            	  t = Integer.parseInt(tokens.nextToken().trim());
 	            	// System.out.println("**** " + t +" ****");
 	            	  res = addThisScore(t, p);
 	            	 
 	            	  if(res != 0)
 	            	  {
 	            		  if(res == 2)
 	            		  {
 	            			  totalSurprisingTriplets++;
 	            		  }
 	            		  else
 	            		    totalGooglers++;
 	            	  }
 	            	  N--;
 	              }
 	              if(S < totalSurprisingTriplets)
 	              {
 	            	 totalSurprisingTriplets = S; 	            	  
 	              }
 	              
 	             totalGooglers +=  totalSurprisingTriplets;
            	  
 	             outString.append("Case #" + caseNo + ": " + totalGooglers); 	               
	             
	              outString.append("\n");
	            }
	  		    BufferedWriter pwr = new BufferedWriter(new FileWriter("output.txt"));
			    pwr.write(outString.toString());
			    pwr.close();		    
			    in.close();
			}
			catch (Exception e) 
			{
				e.printStackTrace();
				System.out.println("processing : " + line);
			}
	}
}
