import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.Scanner;


public class B {
	static int[][] memo;
	static int[] nums;
	static int p;
	public static void main(String[] args)throws IOException
	{
		Scanner br=new Scanner(new File("B-small-attempt0.in"));
		PrintWriter out=new PrintWriter(new File("b.out"));
		int cases=br.nextInt();
		for(int c=1;c<=cases;c++)
		{
			int n=br.nextInt(),s=br.nextInt();
			p=br.nextInt();
			nums=new int[n];
			for(int i=0;i<n;i++)
				nums[i]=br.nextInt();
			memo=new int[n][s+1];
			for(int[] a:memo)
				Arrays.fill(a,-1);
			out.printf("Case #%d: %d\n",c,go(0,s));
		}
		out.close();
	}
	public static int go(int index,int s)
	{
		if(index>=nums.length)
			return 0;
		if(memo[index][s]!=-1)
			return memo[index][s];
		int best=0;
		for(int i=0;i<=10;i++)
		{
			int max=i;
			for(int j=0;j<=10;j++)
			{	
				if(Math.abs(i-j)>2)
					continue;
				max=Math.max(i,j);
				thisone:
				for(int k=0;k<=10;k++)
				{
					int ret=0;
					if(Math.abs(i-k)>2||Math.abs(j-k)>2)
						continue;
					max=Math.max(max,k);
					int count=0;
					if(Math.abs(i-k)==2)
						count++;
					if(Math.abs(i-j)==2)
						count++;
					if(Math.abs(j-k)==2)
						count++;
					if(i+j+k==nums[index])
					{
						boolean surp=(count>=1);
						if(surp&&s>0)
						{
							if(max>=p)
								ret++;
							ret+=go(index+1,s-1);
						}
						else if(!surp)
						{
							if(max>=p)
								ret++;
							ret+=go(index+1,s);
						}
						best=Math.max(best,ret);
					}
					else if(i+j+k>nums[index])
						break thisone;
				}
			}
		}
		return memo[index][s]=best;
	}
}

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.Writer;
import java.nio.charset.Charset;


public class Main {
	public static void main(String arg[])
	{
		try {
			FileInputStream fIn = new FileInputStream("input.txt");
			Charset cs = Charset.forName("UTF-8");
			InputStreamReader iRd = new InputStreamReader(fIn,cs);
			BufferedReader bRd = new BufferedReader(iRd);
			
			
			String str = bRd.readLine();
			
			Integer line = Integer.parseInt(str);
						
			Writer output = null;
			File file = new File("output.txt");
			output = new BufferedWriter(new FileWriter(file));
			
			
			for(int i = 0 ; i < line; ++i)
			{
				String inLine = bRd.readLine();
				
			//	System.out.println(inLine);
				
				String[] nums = inLine.split(" ");
				
				int n = Integer.parseInt(nums[0]);
				int surprise = Integer.parseInt(nums[1]);
				int point = Integer.parseInt(nums[2]);
				int goal = point*3;
				
				int pass = 0;
				int sPass = 0;
				
				for(int j = 0 ; j < n; ++j)
				{
					int num = Integer.parseInt(nums[j+3]);
					int dif = goal - num;
					
					if(dif <=2 ) ++pass;
					else if( (dif ==3 || dif == 4) && goal > 3) ++sPass;
					
				}
				
				if( surprise >= sPass) pass += sPass;
				else pass += surprise;
				output.write("Case #" + (i+1) + ": " + pass + "\n");
				
			}
			
			
			
			output.close();
			
			
			
		} catch (FileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		
	}
}
