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 br.com.atama.google.jam.dancing;

public class TripletScore implements Comparable<TripletScore> {

	private final int threshold = Context.INSTANCE.getThreshold();
	private final int total;
	private final int mod;
	private final int gap;
	private int potential = 0;
	private int numGoodScore = 0;
	private boolean isSurprise = false;

	public TripletScore(int total) {
		this.total = total;
		final int div = total / 3;
		mod = total % 3;
		gap = threshold - div;

		calculateGoodScore();
	}

	private void calculateGoodScore() {
		if (total == 0) {
			numGoodScore = 0;
			isSurprise = false;
			
			if (gap <= 0)
				numGoodScore = 3;
			
			potential = Integer.MIN_VALUE;
		} else if (isSurprise) {
			numGoodScore = 0;
			if (mod == 0) {
				if (gap == 1) {
					numGoodScore = 1;
					potential = -1;
				} else if (gap == 0) {
					numGoodScore = 2;
					potential = 1;
				} else if (gap < 0) {
					numGoodScore = 3;
					potential = 0;
				}
			} else if (mod == 1) {
				if (gap == 1) {
					numGoodScore = 2;
					potential = -1;
				} else if (gap == 0) {
					numGoodScore = 2;
					potential = 1;
				} else if (gap < 0) {
					numGoodScore = 3;
					potential = 0;
				}
			} else if (mod == 2) {
				if (gap == 2) {
					numGoodScore = 1;
					potential = -1;
				} else if (gap == 1) {
					numGoodScore = 1;
					potential = 1;
				} else if (gap <= 0) {
					numGoodScore = 3;
				}
			} else {
				assert false;
			}
		} else {
			numGoodScore = 0;
			if (mod == 0) {
				if (gap == 1) {
					potential = 1;
				} else if (gap == 0) {
					numGoodScore = 3;
					potential = -1;
				} else if (gap < 0) {
					numGoodScore = 3;
				}
			} else if (mod == 1) {
				if (gap == 1) {
					numGoodScore = 1;
					potential = 1;
				} else if (gap == 0) {
					numGoodScore = 3;
					potential = -1;
				} else if (gap < 0) {
					numGoodScore = 3;
					potential = 0;
				}
			} else if (mod == 2) {
				if (gap == 2) {
					potential = 1;
				} else if (gap == 1) {
					numGoodScore = 2;
					potential = -1;
				} else if (gap <= 0) {
					numGoodScore = 3;
					potential = 0;
				}
			} else {
				assert false;
			}
		}
	}

	@Override
	public int compareTo(TripletScore o) {
		if (numGoodScore == 0) {
			if (o.numGoodScore == 0)
				return potential - o.potential;
			return 1;
		} else {
			if (o.numGoodScore == 0)
				return -1;
			return potential - o.potential;
		}
	}

	public boolean isSurprise() {
		return isSurprise;
	}

	public void setSurprise(boolean b) {
		isSurprise = b;
		calculateGoodScore();
	}

	public int getNumGoodScore() {
		return numGoodScore;
	}

	public boolean isZero() {
		return total == 0;
	}

}
