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.Collection;
import java.util.Comparator;


/**
 * Typed 3-tuple
 */
public class Tuple3<A, B, C> {

	private final A field0;
	private final B field1;
	private final C field2;

	public A getField0() {
		return field0;
	}

	public B getField1() {
		return field1;
	}

	public C getField2() {
		return field2;
	}

	public Tuple3(final A field0, final B field1, final C field2) {
		this.field0 = field0;
		this.field1 = field1;
		this.field2 = field2;
	}

	/** Convenience method so type params of pair don't have to be specified: just do Tuple3.make(a, b, c) */
	public static <A, B, C> Tuple3<A, B, C> make(A field0, B field1, C field2) {
		return new Tuple3<A, B, C>(field0, field1, field2);
	}

	// ---------------------------------------------------------------------------------------------------

	private static final boolean objEquals(Object p1, Object p2) {
		if (p1 == null)
			return p2 == null;
		return p1.equals(p2);
	}

	@Override
	public final boolean equals(Object o) {
		if (!(o instanceof Tuple3<?, ?, ?>)) {
			return false;
		} else {
			final Tuple3<?, ?, ?> other = (Tuple3<?, ?, ?>) o;
			return objEquals(getField0(), other.getField0()) && objEquals(getField1(), other.getField1())
					&& objEquals(getField2(), other.getField2());
		}
	}

	@Override
	public int hashCode() {
		int h0 = getField0() == null ? 0 : getField0().hashCode();
		int h1 = getField1() == null ? 0 : getField1().hashCode();
		int h2 = getField2() == null ? 0 : getField2().hashCode();
		return h0 + 53 * h1 + 97 * h2;
	}

	// ---------------------------------------------------------------------------------------------------

	public static <A extends Comparable<A>, B, C> Comparator<Tuple3<A, B, C>> comparatorOnField0(Collection<Tuple3<A, B, C>> tupleCollection) {
		return new Comparator<Tuple3<A, B, C>>() {
			@Override
			public int compare(Tuple3<A, B, C> o1, Tuple3<A, B, C> o2) {
				return o1.getField0().compareTo(o2.getField0());
			}
		};
	}

	public static <A extends Comparable<A>, B, C> Comparator<Tuple3<A, B, C>> comparatorOnField0Rev(Collection<Tuple3<A, B, C>> tupleCollection) {
		return new Comparator<Tuple3<A, B, C>>() {
			@Override
			public int compare(Tuple3<A, B, C> o1, Tuple3<A, B, C> o2) {
				return -o1.getField0().compareTo(o2.getField0());
			}
		};
	}

	public static <A, B extends Comparable<B>, C> Comparator<Tuple3<A, B, C>> comparatorOnField1(Collection<Tuple3<A, B, C>> tupleCollection) {
		return new Comparator<Tuple3<A, B, C>>() {
			@Override
			public int compare(Tuple3<A, B, C> o1, Tuple3<A, B, C> o2) {
				return o1.getField1().compareTo(o2.getField1());
			}
		};
	}

	public static <A, B extends Comparable<B>, C> Comparator<Tuple3<A, B, C>> comparatorOnField1Rev(Collection<Tuple3<A, B, C>> tupleCollection) {
		return new Comparator<Tuple3<A, B, C>>() {
			@Override
			public int compare(Tuple3<A, B, C> o1, Tuple3<A, B, C> o2) {
				return -o1.getField1().compareTo(o2.getField1());
			}
		};
	}

	public static <A, B, C extends Comparable<C>> Comparator<Tuple3<A, B, C>> comparatorOnField2(Collection<Tuple3<A, B, C>> tupleCollection) {
		return new Comparator<Tuple3<A, B, C>>() {
			@Override
			public int compare(Tuple3<A, B, C> o1, Tuple3<A, B, C> o2) {
				return o1.getField2().compareTo(o2.getField2());
			}
		};
	}

	public static <A, B, C extends Comparable<C>> Comparator<Tuple3<A, B, C>> comparatorOnField2Rev(Collection<Tuple3<A, B, C>> tupleCollection) {
		return new Comparator<Tuple3<A, B, C>>() {
			@Override
			public int compare(Tuple3<A, B, C> o1, Tuple3<A, B, C> o2) {
				return -o1.getField2().compareTo(o2.getField2());
			}
		};
	}
	
	// ---------------------------------------------------------------------------------------------------

	@Override
	public String toString() {
		return "(" + getField0() + ", " + getField1() + ", " + getField2() + ")";
	}
}
