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.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.PrintStream;
import java.util.Scanner;


public class CodeJamWriter implements ICounterZeroEvent{
	
	//public static String inputFile = "C:\\Users\\user\\Desktop\\coejam\\2012-Qualificaton\\A-test";
	//public static String inputFile = "C:\\Users\\user\\Desktop\\coejam\\2012-Qualificaton\\A-small-attempt0";
	//public static String inputFile = "C:\\Users\\user\\Desktop\\coejam\\2012-Qualificaton\\B-test";
	public static String inputFile = "C:\\Users\\user\\Desktop\\coejam\\2012-Qualificaton\\B-small-attempt0";
	//public static String inputFile = "C:\\Users\\user\\Desktop\\coejam\\2012-Qualificaton\\B-large-attempt";
	
	public int T;
	public Result[] results;

	public static void main(String[] args) {
		CodeJamWriter codeJamWriter = new CodeJamWriter();
		codeJamWriter.readInput();
	}

	private void readInput() {
		Scanner scanner = null;
		File input = new File(inputFile+".in");
		try {
			scanner = new Scanner(input);
		} catch (FileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		T = scanner.nextInt();
		scanner.nextLine();
		results = new Result[T+1];
		Counter counter = new Counter(T, this);
		for (int i=1;i<=T;++i)
		{
			results[i] = new Result(i);
			Question q = new QuestionB(results[i], counter);
			q.readInput(scanner);
			q.start();
		}
		scanner.close();	
	}

	private void writeOutput() {
		FileOutputStream fos = null;
		PrintStream printer = null;
		File output = new File(inputFile+".out");
		try {
			fos = new FileOutputStream(output);
			printer = new PrintStream(fos);
		} catch (FileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		for (int i=1;i<=T;++i)
		{
			printer.println(results[i]);
		}
		System.out.println("FINISHED!!!");
		
		printer.close();
		
	}

	@Override
	public void fireEvent() {
		writeOutput();		
	}
	
}
