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.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;




public class Texter {




	public static void writeText(String text) {

		String fileName = "output.txt";

		try {
			BufferedWriter writer = new BufferedWriter(new FileWriter(fileName, true));
			writer.write(text);
			writer.newLine();
			writer.close();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}



	public static String readFile() {

		String fileName = "test.txt";
		String LS = System.getProperty("line.separator");
		StringBuffer fileContent = new StringBuffer();

		try {
			FileReader fr = new FileReader(fileName);
			BufferedReader reader = new BufferedReader(new FileReader(fileName));


			String line;
			while ((line = reader.readLine()) != null) {
				fileContent.append(line).append(LS);
			}

		} catch (IOException e) {
			e.printStackTrace();
		}

		return fileContent.toString();
	}



	static FileReader		fr;
	static BufferedReader	reader;



	public static void setupReader() {


		String fileName = "input.txt";


		try {
			fr = new FileReader(fileName);
			reader = new BufferedReader(new FileReader(fileName));


		} catch (IOException e) {
			e.printStackTrace();
		}

	}



	public static String readLine() {

		String fileName = "test.txt";
		String LS = System.getProperty("line.separator");
		//StringBuffer fileContent = new StringBuffer();

		String line = null;

		try {
			//FileReader fr = new FileReader(fileName);
			//	BufferedReader reader = new BufferedReader(new FileReader(fileName));



			line = reader.readLine();

		} catch (IOException e) {
			e.printStackTrace();
		}


		//Will return null at end of file
		return line;
	}




	public static ArrayList<Integer> parseNumberList(String input) {


		int length = input.length();
		ArrayList<Integer> numbersArray = new ArrayList<Integer>();



		int numberCount = 0;


		//Index to start current number at
		int noStart = 0;



		//First one shouldn't be a space so start ahead

		for (int i = 1; i < length; i++) {


			//If character is a space that means a number just ended

			if (input.charAt(i) == ' ') {


				//Get that number
				//Substring from startIndex to endIndex -1
				int number = Integer.parseInt(input.substring(noStart, i));


				//Add it to array
				numbersArray.add(number);

				//Increment count
				numberCount++;

				//Set new number start index to one after the space we just had
				noStart = i + 1;




			}


			//Add last number
			if (i == length - 1) {


				//Get that number
				//Substring from startIndex to endIndex -1
				int number = Integer.parseInt(input.substring(noStart, length));


				//Add it to array
				numbersArray.add(number);


			}




		}


		return numbersArray;




	}



}
