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.FileReader;
import java.io.FileWriter;
import java.io.InputStreamReader;


public class Program {

	/**
	 * @param args
	 */
	public static void main1(String[] args) {
	
		Speaking_in_Tongues sit=new Speaking_in_Tongues();
		sit.initialize();
		sit.register("our language is impossible to understand", "ejp mysljylc kd kxveddknmc re jsicpdrysi");
		sit.register("there are twenty six factorial possibilities", "rbcpc ypc rtcsra dkh wyfrepkym veddknkmkrkcd");
		sit.register("so it is okay if you want to just give up", "de kr kd eoya kw aej tysr re ujdr lkgc jv");		
		
		for(char o='a';o<= 'z';o++)
		{
			System.out.print(sit.map[o]);
		}
		
		try {
			FileWriter fileWriter=new FileWriter("A-small-attempt0.out");
			FileReader fileReader=new FileReader("A-small-attempt0.in");
			BufferedReader in = new BufferedReader(fileReader);

			int T= Integer.parseInt(in.readLine());
			for(int t=1;t<=T;t++)
			{
				String translated=in.readLine();
				String normal= sit.Solve(translated);
				fileWriter.write("Case #"+t+": "+normal+"\n");
			}
			fileWriter.close();
			fileReader.close();	
		} catch (Exception e) {
			System.out.println("Error! Exception: "+e); 
		}
		

	}
	
	public static void main(String[] args) {
		
		try {
			FileWriter fileWriter=new FileWriter("B-small-attempt4.out");
			FileReader fileReader=new FileReader("B-small-attempt4.in");
			BufferedReader in = new BufferedReader(fileReader);

			int T= Integer.parseInt(in.readLine());
			for(int t=1;t<=T;t++)
			{
				String[] tokens= in.readLine().split(" ");
				int N= Integer.parseInt(tokens[0]);
				int[] values=new int[N];
				int S= Integer.parseInt(tokens[1]);
				int p= Integer.parseInt(tokens[2]);
				
				for(int n=0;n<N;n++)
				{
					values[n]= Integer.parseInt(tokens[n+3]);
				}
				
				Dancing_With_the_Googlers d=new Dancing_With_the_Googlers();				
				int result=d.solve1(S, p, values);
				fileWriter.write("Case #"+t +": " +result+"\n");
				
			}
			fileWriter.close();
			fileReader.close();	
		} catch (Exception e) {
			System.out.println("Error! Exception: "+e); 
		}
		
		
	}

}
