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 fixjava;

import java.util.ArrayList;

/**
 * String splitter, this fixes the problem that String.split() has of losing the last token if it's empty. It also uses
 * CharSequences rather than allocating new String objects.
 */
public class Split {

	/**
	 * String splitter, this fixes the problem that String.split() has of losing the last token if it's empty. It also uses
	 * CharSequences rather than allocating new String objects.
	 */
	public static ArrayList<CharSequence> splitAsList(String str, String sep) {
		int strLen = str.length();
		int sepLen = sep.length();
		assert sepLen > 0;

		ArrayList<CharSequence> parts = new ArrayList<CharSequence>();
		for (int curr = 0; curr <= strLen;) {
			// Look for next token
			int next = str.indexOf(sep, curr);
			// Read to end if none
			if (next < 0)
				next = strLen;
			// Add next token
			parts.add(str.subSequence(curr, next));
			// Move to end of separator, or past end of string if we're at the end
			// (by stopping when curr <= strLen rather than when curr < strLen,
			// we avoid the problem inherent in the Java standard libraries of
			// dropping the last field if it's empty; fortunately
			// str.indexOf(sep, curr) still works when curr == str.length()
			// without throwing an index out of range exception).
			curr = next + sepLen;
		}
		return parts;
	}

	public static CharSequence[] splitAsArray(String str, String sep) {
		ArrayList<CharSequence> list = splitAsList(str, sep);
		CharSequence[] arr = new CharSequence[list.size()];
		list.toArray(arr);
		return arr;
	}

	public static ArrayList<String> splitAsListOfString(String str, String sep) {
		ArrayList<CharSequence> list = splitAsList(str, sep);
		ArrayList<String> listOfString = new ArrayList<String>(list.size());
		for (CharSequence cs : list)
			listOfString.add(cs.toString());
		return listOfString;
	}

	/** For compatibility only, slower because it creates new String objects for each CharSequence */
	public static String[] split(String str, String sep) {
		ArrayList<CharSequence> list = splitAsList(str, sep);
		String[] arr = new String[list.size()];
		for (int i = 0; i < list.size(); i++)
			arr[i] = list.get(i).toString();
		return arr;
	}

	//	public static void main(String[] args) {
	//		System.out.println(splitAsList("", "\t"));
	//		System.out.println(splitAsList("\t", "\t"));
	//		System.out.println(splitAsList("a\t", "\t"));
	//		System.out.println(splitAsList("\ta", "\t"));
	//		System.out.println(splitAsList("\ta\t", "\t"));
	//		System.out.println(splitAsList("a\tb", "\t"));
	//		System.out.println(splitAsList("a\tb\t", "\t"));
	//		System.out.println(splitAsList("\ta\tb", "\t"));
	//		System.out.println(splitAsList("", "SEP"));
	//		System.out.println(splitAsList("SEP", "SEP"));
	//		System.out.println(splitAsList("aSEP", "SEP"));
	//		System.out.println(splitAsList("SEPaSEPb", "SEP"));
	//		System.out.println(splitAsList("aSEPbSEP", "SEP"));
	//	}

}
