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.*;
import java.util.Scanner;

public class DancingWithTheGooglers {
	private static final String FILE_IN = "C:\\Users\\BC_limited\\Documents\\School\\IB Computer Science SL\\" +
			"Code Jam 2012\\Dancing With The Googlers\\B-small-attempt1.in";
	private static final String FILE_OUT = "C:\\Users\\BC_limited\\Documents\\School\\IB Computer Science SL\\" +
			"Code Jam 2012\\Dancing With The Googlers\\B-small-attempt1-out.txt";
	
	public static Scanner scanIn;
	
	public static void main(String[] args) {
		System.out.println("Setting scanner to file");
		try {
			File inFile = new File(FILE_IN);
			scanIn = new Scanner(inFile);
		} //end try
		catch(IOException e) {
			System.out.println("Error setting scanner to file - " + e);
		} //end catch
		
		int testCases = inputValue("testCases");
		scanIn.nextLine(); //moves to next line
		
		int[] solutions = new int[testCases];
		
		for(int i = 0; i < testCases; i++) {
			int[] googlerScores = new int[scanIn.nextInt()];
			int surprisingScores = scanIn.nextInt();
			int topScore = scanIn.nextInt();
			for(int j = 0; j < googlerScores.length; j++)
				googlerScores[j] = scanIn.nextInt();
			solutions[i] = writeSolution(googlerScores, surprisingScores, topScore);
		} //end for
		
		writeSolutionsToFile(solutions);
	} //end main
	
	public static int inputValue(String variable) {
		System.out.println("Reading " + variable);
		try {
			if(scanIn.hasNext())
				return scanIn.nextInt();
		} //end try
		catch(Exception e) {
			System.out.println("Error reading from file - " + e);
		} //end catch
		return -1; //exceptional case
	} //end getTestCases
	
	public static int writeSolution(int[] googlers, int surprises, int bound) {
		int max = 0;
		for(int i = 0; i < googlers.length; i++) {
			if(googlers[i] - (3 * bound) >= -2)
				max++;
			else if(surprises > 0 && googlers[i] > 1 && googlers[i] - (3 * bound) >= -4) {
				max++;
				surprises--;
			} //end else if
		} //end for
		return max;
	} //end writeSolution
	
	public static void writeSolutionsToFile(int[] solutionsArray) {
		System.out.println("Writing solutions to file");
		
		try {
			PrintWriter pw = new PrintWriter(FILE_OUT);
			for(int i = 0; i < solutionsArray.length; i++)
				if(i < solutionsArray.length - 1)
					pw.println("Case #" + (i + 1) + ": " + solutionsArray[i]);
				else
					pw.print("Case #" + (i + 1) + ": " + solutionsArray[i]);
			pw.close();
		} //end try
		catch(IOException e) {
			System.out.println("Error writing to file - " + e);
		} //end catch
	} //end writeSolutionsToFile
} //end DancingWithTheGooglers