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;
	}
}

package Problem2;


	import java.io.BufferedReader;
	import java.io.BufferedWriter;
	import java.io.FileInputStream;
	import java.io.FileWriter;
	import java.io.InputStream;
	import java.io.InputStreamReader;
	import java.io.PrintWriter;
	import java.util.ArrayList;



		class FileReader{
				
			public static ArrayList<String> Parsefile(String filename){
				String chaine="";
				String fichier =filename; 

				try{
					InputStream ips=new FileInputStream(fichier); 
					InputStreamReader ipsr=new InputStreamReader(ips);
					BufferedReader br=new BufferedReader(ipsr);
					String ligne;
					int j=0;
					ArrayList<String> ArS_lines = new ArrayList<String>();
					
					while ((ligne=br.readLine())!=null){
						System.out.println(ligne);
						if (j>=1)
						ArS_lines.add(ligne);
						j++;
					}		
					br.close(); 
					
					return ArS_lines;
					
				}		
				catch (Exception e){
					return null;
				}
				
			}
			
			public static void writeconfig(String destinationfilename , ArrayList<String> ArS) {
				try {
					
					FileWriter fw = new FileWriter (destinationfilename);
					BufferedWriter bw = new BufferedWriter (fw);
					PrintWriter fichierSortie = new PrintWriter (bw); 
					int i;
					int n = ArS.size();
					
					for (i=0;i<n;i++){	
					fichierSortie.println("Case #"+(i+1)+":" + " "+ ArS.get(i)); 
					}
					
					fichierSortie.close();
					
				}
				
				catch (Exception e){
					System.out.println(e.toString());

				}	
			}
			
			public static void writeconfig(String destinationfilename , int[] ArS) {
				try {
					
					FileWriter fw = new FileWriter (destinationfilename);
					BufferedWriter bw = new BufferedWriter (fw);
					PrintWriter fichierSortie = new PrintWriter (bw); 
					int i;
					int n = ArS.length;
					
					for (i=0;i<n;i++){	
					fichierSortie.println("Case #"+(i+1)+":" + " "+ ArS[i]); 
					}
					
					fichierSortie.close();
					
				}
				
				catch (Exception e){
					System.out.println(e.toString());

				}	
			}
			

		}

