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 common;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.util.LinkedList;
import java.util.Queue;

public class FileTranslatorBasis {

	private int numOfCase;
	private File file;
	Queue<String> dataList = new LinkedList<String>();

	
	
	public static FileTranslatorBasis getInstance(String fname){
		if(fname ==null){
			throw new IllegalArgumentException();
		}
		return new FileTranslatorBasis(new File(fname));
	}
	
	private FileTranslatorBasis(File file) {
		this.file = file;
		read();
	}
	
	private void read(){
		try{
			FileReader fr = new FileReader(this.file);
			BufferedReader br = new BufferedReader(fr);
		
			String line;
			while((line = br.readLine())!=null){
				dataList.add(line);
			}
		}catch(IOException e){
			e.printStackTrace();
		}
		numOfCase = Integer.parseInt(dataList.poll());
	}

	public int getNumOfCase(){
		return numOfCase;
	}
	
	public int getIntData(){
		return Integer.parseInt(dataList.poll());
	}
	
	public int[] getIntDataArray(){
		String[] tmp = getStrDataArray();
		int[] data = new int[tmp.length];
		int i = 0;
		for(String t: tmp){
			data[i++] = Integer.parseInt(t);
		}
		return data;
	}
	
	
	public long getLongData(){
		return Long.parseLong(dataList.poll());
	}
	
	public long[] getLongDataArray(){
		String[] tmp = getStrDataArray();
		long[] data = new long[tmp.length];
		int i = 0;
		for(String t: tmp){
			data[i++] = Long.parseLong(t);
		}
		return data;
	}
	public String getStrData(){
		return dataList.poll();
	}
	
	public String[] getStrDataArray(){
		return dataList.poll().split(" ");
	}

	
	
}
