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.FileNotFoundException;
import java.io.PrintWriter;
import java.util.Scanner;

public class DancingWithTheGooglers {
    private PrintWriter out;
    private Scanner in;

    private void init() {
    }

    private void solve() {
        int N = in.nextInt();
        int S = in.nextInt();
        int p = in.nextInt();

        int r = 0;
        for (int i = 0; i < N; i++) {
            int best = in.nextInt();
            int part = best / 3;
            int rest = best - part * 3;
            // rest = 0,1,2 part=4
            // 0: 4 4 4->4 3 5; 4 (+1)
            // 1: 4 4 5->3 5 5; 5 (0)
            // 2: 4 5 5->4 4 6; 5 (+1)
            // part=0: +0
            // 0: 0 0 0->0 0 0; 0 (+0)
            // 1: 0 0 1->0 0 1; 1 (+0)
            // 2: 0 1 1->0 0 2; 1 (+1)
            // part=1: +0
            // 0: 1 1 1->1 0 2; 1 (+1)
            // 1: 1 1 2->1 1 2; 2 (+0)
            // 2: 1 2 2->1 1 3; 2 (+1)
            int max = part + (rest == 0 ? 0 : 1);
            int add = rest == 1 ? 0 : 1;
            if (part == 0) {
                add = rest == 2 ? 1 : 0;
            }
            if (S >= 1 && add == 1 && max + 1 == p) {
                S--;
                max += add;
            }
            if (max >= p) {
                r++;
            }
        }
        out.println(r);
    }

    private void runTests() {
        init();

        int T = Integer.parseInt(in.nextLine());
        for (int i = 0; i < T; i++) {
            out.print("Case #" + (i + 1) + ": ");
            solve();
        }
    }

    private void run() {
        try {
            runTests();
        } finally {
            close();
        }
    }

    private void close() {
        out.close();
        in.close();
    }

    public DancingWithTheGooglers() throws FileNotFoundException {
        this.in = new Scanner(new File("B-small-attempt2.in"));
        this.out = new PrintWriter(new File("B-small-attempt2.out"));
    }

    public static void main(String[] args) throws FileNotFoundException {
        new DancingWithTheGooglers().run();
    }
}
