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.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;

public class QualificationB {

	public static void main(String[] args) {
		File file = new File("D:/CodeJam/B-small-attempt0.in");
        StringBuffer contents = new StringBuffer();
        BufferedReader reader = null;

        try {
            reader = new BufferedReader(new FileReader(file));
            String text = null;

            int row = 0;
            // repeat until all lines is read
            while ((text = reader.readLine()) != null) {
                //contents.append(text).append(System.getProperty("line.separator"));
                if(row == 0)
                	System.out.println(text);
                else{
                	String[] textArr = text.split(" ");
                	int s = Integer.parseInt(textArr[1]);
                	int p = Integer.parseInt(textArr[2]);
                	int savePoint = (p*3)-2;
                	int surprisePoint = savePoint-2;
                	if(savePoint < p)
                		savePoint = p;
                	if(surprisePoint < p)
                		surprisePoint = p;
                	int sure = 0;
                	int notsure = 0;
                	for(int i=3; i<textArr.length; i++){
                		if(Integer.parseInt(textArr[i]) >= savePoint)
                			sure++;
                		else if(Integer.parseInt(textArr[i]) >= surprisePoint)
                			notsure++;
                	}
                	if(notsure > s)
                		sure += s;
                	else
                		sure += notsure;
                	
                	contents.append("Case #"+row+": "+sure).
                		append(System.getProperty("line.separator"));
                }
                row++;
            }
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            try {
                if (reader != null) {
                    reader.close();
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        
        // show file contents here
        System.out.println(contents.toString());
        
        try{
        	// Create file 
        	FileWriter fstream = new FileWriter("D:/CodeJam/B-small-attempt0.out");
        	BufferedWriter out = new BufferedWriter(fstream);
        	out.write(contents.toString());
        	//Close the output stream
        	out.close();
        }catch (Exception e){//Catch exception if any
        	System.err.println("Error: " + e.getMessage());
        }
	}

}
