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.File;
import java.io.IOException;
import java.io.PrintStream;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Scanner;

public class Dancing {

	public static void main(String[] args) throws IOException{
		Scanner sc = new Scanner(new File("dancing.in"));
		System.setOut(new PrintStream(new File("dancing.out")));
		ArrayList<Googler> changeAble = new ArrayList<Googler>(100);
		int t = sc.nextInt();
		for(int i=1; i<=t; i++){
			changeAble.clear();
			int n = sc.nextInt();//number of googlers
			int s = sc.nextInt();//number of surprises
			int p = sc.nextInt();//target
			int y = 0;//number that match
			for(int j=0; j<n; j++){
				Googler temp = new Googler(sc.nextInt(),p);
				if(temp.distAway < 1)
					y++;
				else if(temp.changeAble){
					changeAble.add(temp);
				}
			}
			Collections.sort(changeAble);
			for(int j=0; j<s && j<changeAble.size(); j++){
				Googler temp = changeAble.get(j);
				if(temp.maxScore+1 < p)
					break;
				y++;
			}
			System.out.println("Case #"+i+": "+y);
		}

	}

}
class Googler implements Comparable<Googler>{
	int distAway;
	boolean changeAble = false;
	int maxScore;
	int sScore;
	int score;
	int t;
	public Googler(int score, int target){
		t = target;
		this.score=score;
		int i = score/3;
		if(i*3==score){
			maxScore = i;
			changeAble = true;
		}
		else if(i*2+i+1 == score)
			maxScore = i+1;
		else if(i+(i+1)*2==score){
			maxScore = i+1;
			changeAble = true;
		}
		if(maxScore==0)
			changeAble = false;
		distAway = target-maxScore;
	}
	public int compareTo(Googler g){
		return distAway-g.distAway;
	}
	public String toString(){
		return score+"";
	}
}
