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.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;


public class SurprisingTripletScorer {

	private int numGooglers;
	private int numSurprisingScores;
	private final int minScore;
	
	private int numPossibleSurprising;
	
	public SurprisingTripletScorer(int n, int s, int p) {
		this.numGooglers = n;
		this.numSurprisingScores = s;
		this.minScore = p;
		numPossibleSurprising = 0;
	}


	/**
	 * @param args
	 */
	public static void main(String[] args) {
		String[] input = null;
		try {
			input = readInput(args);
		} catch (IOException e) {
		}
		int cases = Integer.parseInt(input[0]);
		for (int i = 1; i <= cases; i++) {
			String[] line = input[i].split(" ");
			int N = Integer.parseInt(line[0]);
			int S = Integer.parseInt(line[1]);
			int p = Integer.parseInt(line[2]);
			
			SurprisingTripletScorer sts = new SurprisingTripletScorer(N, S, p);
			int[] scores = new int[N];
			for (int j = 0; j < N; j++) {
				scores[j] = Integer.parseInt(line[j+3]);
			}
			int max = sts.maxGooglersWithHighScores(scores);
			System.out.println("Case #"+i+": "+max);
		}

	}

	private int maxGooglersWithHighScores(int[] totalScores) {
		int runningTotal = 0;
		List<Integer> list = new ArrayList<Integer>();
		for (int ts : totalScores) {
			list.add(ts);
		}
		Collections.sort(list);
		for (Integer i : list) {
			// Find possible score outcome, check if it contains any number >=minScore
			if (containsHighScore(i)) {
				runningTotal++;
			}
		}
				
		return runningTotal;
	}
	
	private boolean containsHighScore(int totalScore) {
		int mod = totalScore % 3;
		if (totalScore == 0) {
			if (minScore > 0)
				return false;
			else if (minScore == 0)
				return true;
		}
		if (mod == 0) {
			if ((((double)totalScore)/3) >= minScore) {
				return true;
			} else if ((((double)totalScore)/3+1) >= minScore && numSurprisingScores > 0) {
				numSurprisingScores--;
				return true;
			}
		} else if (mod == 1) {
			if (Math.ceil(((double)totalScore)/3) >= minScore) {
				numPossibleSurprising++;
				return true;
			}
		} else {
			if (Math.floor(((double)totalScore)/3) >= minScore || Math.ceil(((double)totalScore)/3) >= minScore) {
				numPossibleSurprising++;
				return true;
			} else if ((Math.ceil(((double)totalScore)/3)+1) >= minScore  && numSurprisingScores > 0) {
				numSurprisingScores--;
				return true;
			}
		}
		numPossibleSurprising++;
		return false;
	}

	public static String[] readInput(String[] args) throws IOException {
		String[] str = new String[101];
		int numStrings = 0;

		// Buffer the input data
	    BufferedReader in = new BufferedReader(new InputStreamReader(System.in));

		// Read the data and store in a string array
		while (in.ready()) {
			str[numStrings] = in.readLine();
			numStrings++;
		}
		in.close();
	    
		return str;
	}
}
