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.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Scanner;
import java.util.regex.Pattern;


public class ProblemB {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		try {
			Scanner input = new Scanner(new FileReader("B-small-attempt1.in"));
			PrintWriter output = new PrintWriter(new FileWriter("output2.txt"));

			int numberCases = input.nextInt();
			String data = input.nextLine();

			for (int i = 0; i < numberCases; i++) {
				output.print("Case #" + (i + 1) + ": ");

				data = input.nextLine();
				String[] intS = Pattern.compile(" ").split(data);
				int[] numbers = new int[intS.length];
				for (int j = 0; j < intS.length; j++) {
					numbers[j] = Integer.parseInt(intS[j]);
				}

				int numberGooglers = numbers[0];
				int surprising = numbers[1];
				int p = numbers[2];

				int count = 0;
				//System.out.print("N ");
				for (int j = 0; j < numberGooglers; j++) {
					if (((numbers[j + 3] / 3.0)) > (p - 1)) {
						//System.out.print(numbers[j + 3] + " ");
						count++;
					}
				}

				//System.out.print("S ");
				if (surprising > 0) {
					for (int j = 0; j < numberGooglers && surprising != 0; j++) {
						if ((numbers[j + 3] / 3.0) <= (p - 1) &&
								(numbers[j + 3] / 3.0) >= (p - 2)) {
							if (Math.floor(((numbers[j + 3] - p) / 2.0)) >= (p - 2) && 
									(numbers[j + 3] - p) >= 0) {
									//System.out.print(numbers[j + 3] + " ");
									count++;
									surprising--;
								}
						}
					}
				}
				//System.out.println("Counter " + count);
				output.print(count);
				output.print("\n");
			}
			output.flush();
			output.close();
			input.close();
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

}