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.*;
import java.util.*;

public class Launcher {
	static int t, n, s, p, tcount, ncount, scount, pcount;
	static int a, b, num, ans;
	
	
	public static void main(String[] args){
		String c;
		int i,j;
		
		
		try {
			FileInputStream fin = new FileInputStream ("input.txt");
			System.out.println("Input file stream created");
			Scanner sc = new Scanner(fin);
			System.out.println("Scanner created");
			
			FileOutputStream fout = new FileOutputStream ("output.txt");
			DataOutputStream dout = new DataOutputStream (fout);
			
			t=sc.nextInt();
			tcount=0;
			
			
			while (tcount<t){
				tcount++;
				n=sc.nextInt();
				s=sc.nextInt();
				p=sc.nextInt();
				ncount=0;
				
				a=(p-1)*3;
				if (tcount==3){
					System.out.println ("a = " +a);
				
				}
				b=a-2;
				ans=0;
				scount=0;
				while (ncount < n){
					ncount++;
					num=sc.nextInt();
					if (p==0){
						ans = n;
					}
					else{
						if (p==1){
							if (num>0){
								ans++;
							}
						}
						else{
																			
							if (num>a) {
								ans++;
							}else {
									if (num>b && scount<s) {
										scount++;
										ans++;
									}
							}
						}
					}
				} //while ncount
					
				//Write output file
				dout.writeBytes("Case #");
				dout.writeBytes(Integer.toString(tcount));
				dout.writeBytes(": ");
				dout.writeBytes(Long.toString(ans));
				fout.write(13);
				fout.write(10);
			
			} //while tcount
		
			

		} catch (Exception e){
			System.out.println(e);
		}
	}//main
} //class