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;

public class DancingGooglers {

	public static String readFile(String nombreArchivo) throws Exception {

		String aux = "";
		String contenido = "";

		BufferedReader bf = new BufferedReader(new FileReader(nombreArchivo));
		while ((aux = bf.readLine()) != null) {
			contenido += aux + "\r\n";
		}
		return contenido;
	}

	public static void writeFile(String nombreArchivo, String contenido) {
		try {

			BufferedWriter out = new BufferedWriter(new FileWriter(
					nombreArchivo));
			out.write(contenido);
			out.close();

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

	public static void main(String[] args) throws Exception {

		String result;

		result = "";
		String lines[] = readFile("./input.txt").trim().split("\r\n");

		for (int j = 1; j < lines.length; j++) {
			int total = 0;
			String values[] = lines[j].split(" ");
			int dancers = Integer.parseInt(values[0]);
			int maxSurprise = Integer.parseInt(values[1]);
			int minScore = Integer.parseInt(values[2]);
			int scores[] = new int[dancers];
			for (int i = 3; i < values.length; i++) {
				scores[i - 3] = Integer.parseInt(values[i]);
			}

			for (int i = 0; i < scores.length; i++) {
				boolean flag = false;
				int comodin = 0;
				if (maxSurprise > 0) {
					comodin = 4;
				}

				if(scores[i] == 0){
					if (minScore == 0) {
						flag = true;
					}
				}else{
					if (minScore == 0) {
						flag = true;
					} else {
						if ((scores[i] + 2) / minScore >= 3) {
							flag = true;
						}
						if (!flag) {
							if ((scores[i] + comodin) / minScore >= 3) {
								flag = true;
								maxSurprise--;
							}
						}
					}
				}
				

				if (flag) {
					total++;
				}

			}
			result += "Case #" + j + ": " + total + "\r\n";
		}
		writeFile("./output.txt", result.trim());

	}
}
