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;
	}
}

package com.first;

import java.io.*;
import java.util.ArrayList;

public class ReadWriteFileForCodeJam {

	String fileRead;
	String fileWrite;
	String fileContentToWrite;
	String fileSeparatorForWrite, fileSeparatorForRead;
	boolean firstTimeRead;
	int readCursor;
	ArrayList<String> fileContentAsArrayList;

	public ReadWriteFileForCodeJam(){
		fileContentToWrite = new String();
		fileRead = new String();
		fileWrite = new String();
		fileSeparatorForWrite = new String();
		fileSeparatorForRead = new String();
		firstTimeRead = true;
		fileContentAsArrayList = new ArrayList<String>();
	}

	public void setFileNameForRead(String fileName){
		fileRead = fileName;
	}

	public void setFileNameForWrite(String fileName){
		fileWrite = fileName;
	}

	public void setFileSeperatorForWrite(String separator){
		fileSeparatorForWrite = separator;
	}

	public void setFileContentToWrite(String content, boolean append, boolean newLine){

		String separator = new String();

		if (append){
			if (newLine){
				separator = System.getProperty("line.separator");
			}
			else{
				separator = fileSeparatorForWrite;
			}
		}

		if (fileContentToWrite != null && fileContentToWrite.length() == 0)
			fileContentToWrite = content;
		else
			fileContentToWrite = fileContentToWrite + separator + content;
	}

	public String ReadFile(boolean returnContent) {

		StringBuilder content = new StringBuilder();

		File aFile = new File(fileRead);

		if (firstTimeRead){
			firstTimeRead = false;
			try {
				BufferedReader input = new BufferedReader(new FileReader(aFile));
				try {
					String line = null;
					while ((line = input.readLine()) != null) {
						content.append(line);
						fileContentAsArrayList.add(line);
						content.append(System.getProperty("line.separator"));
					}
				} finally {
					input.close();
				}
			} catch (IOException io) {
				return (io.toString());
			}
			if (returnContent)
				return content.toString();
		}
		return null;
	}

	public String GetSingleLineFromFile(int lineNumber){
		try{
			return fileContentAsArrayList.get(lineNumber - 1).toString();
		}catch (IndexOutOfBoundsException e){
			return null;
		}
	}

	public int getNoOfLinesInFile(){
		return fileContentAsArrayList.size();
	}

	public boolean WriteFile(boolean appendLine) {
		File aFile = new File(fileWrite);
		Boolean writeSuccess = true;
		try {
			Writer output = new BufferedWriter(new FileWriter(aFile));
			try {
				output.write(fileContentToWrite);
			} finally {
				output.close();
			}
		} catch (IOException io) {
			writeSuccess = false;
		}
		return writeSuccess;
	}
}
