package template;

import java.util.ArrayList;
import java.util.Map;
import java.util.HashMap;

public class TestCase {

    private boolean isSolved;
    private Object solution;
    private Map<String, Integer> intProperties;
    private Map<String, ArrayList<Integer>> intArrayProperties;
    private Map<String, ArrayList<ArrayList<Integer>>> intArray2DProperties;
    private Map<String, Double> doubleProperties;
    private Map<String, ArrayList<Double>> doubleArrayProperties;
    private Map<String, ArrayList<ArrayList<Double>>> doubleArray2DProperties;
    private Map<String, String> stringProperties;
    private Map<String, ArrayList<String>> stringArrayProperties;
    private Map<String, ArrayList<ArrayList<String>>> stringArray2DProperties;
    private Map<String, Boolean> booleanProperties;
    private Map<String, ArrayList<Boolean>> booleanArrayProperties;
    private Map<String, ArrayList<ArrayList<Boolean>>> booleanArray2DProperties;
    private Map<String, Long> longProperties;
    private Map<String, ArrayList<Long>> longArrayProperties;
    private Map<String, ArrayList<ArrayList<Long>>> longArray2DProperties;
    private int ref;
    private double time;

    public TestCase() {
        initialise();
    }

    private void initialise() {
        isSolved = false;
        intProperties = new HashMap<>();
        intArrayProperties = new HashMap<>();
        intArray2DProperties = new HashMap<>();
        doubleProperties = new HashMap<>();
        doubleArrayProperties = new HashMap<>();
        doubleArray2DProperties = new HashMap<>();
        stringProperties = new HashMap<>();
        stringArrayProperties = new HashMap<>();
        stringArray2DProperties = new HashMap<>();
        booleanProperties = new HashMap<>();
        booleanArrayProperties = new HashMap<>();
        booleanArray2DProperties = new HashMap<>();
        longProperties = new HashMap<>();
        longArrayProperties = new HashMap<>();
        longArray2DProperties = new HashMap<>();
        ref = 0;
    }

    public void setSolution(Object o) {
        solution = o;
        isSolved = true;
    }
    
    public Object getSolution() {
        if (!isSolved) {
            Utils.die("getSolution on unsolved testcase");
        }

        return solution;
    }

    public void setRef(int i) {
        ref = i;
    }
    public int getRef() {
        return ref;
    }

    public void setTime(double d) {
        time = d;
    }
    public double getTime() {
        return time;
    }
    
    public void setInteger(String s, Integer i) {
        intProperties.put(s, i);
    }
    
    public Integer getInteger(String s) {
        return intProperties.get(s);
    }

    public void setIntegerList(String s, ArrayList<Integer> l) {
        intArrayProperties.put(s, l);
    }

    public void setIntegerMatrix(String s, ArrayList<ArrayList<Integer>> l) {
        intArray2DProperties.put(s, l);
    }

    public ArrayList<Integer> getIntegerList(String s) {
        return intArrayProperties.get(s);
    }

    public Integer getIntegerListItem(String s, int i) {
        return intArrayProperties.get(s).get(i);
    }

    public ArrayList<ArrayList<Integer>> getIntegerMatrix(String s) {
        return intArray2DProperties.get(s);
    }
    
    public ArrayList<Integer> getIntegerMatrixRow(String s, int row) {
        return intArray2DProperties.get(s).get(row);
    }
    
    public Integer getIntegerMatrixItem(String s, int row, int column) {
        return intArray2DProperties.get(s).get(row).get(column);
    }

    public ArrayList<Integer> getIntegerMatrixColumn(String s, int column) {
        ArrayList<Integer> out = new ArrayList();
        
        for(ArrayList<Integer> row : intArray2DProperties.get(s)) {
            out.add(row.get(column));
        }
        return out;
    }


    public void setDouble(String s, Double i) {
        doubleProperties.put(s, i);
    }
    
    public Double getDouble(String s) {
        return doubleProperties.get(s);
    }

    public void setDoubleList(String s, ArrayList<Double> l) {
        doubleArrayProperties.put(s, l);
    }

    public void setDoubleMatrix(String s, ArrayList<ArrayList<Double>> l) {
        doubleArray2DProperties.put(s, l);
    }

    public ArrayList<Double> getDoubleList(String s) {
        return doubleArrayProperties.get(s);
    }

    public Double getDoubleListItem(String s, int i) {
        return doubleArrayProperties.get(s).get(i);
    }

    public ArrayList<ArrayList<Double>> getDoubleMatrix(String s) {
        return doubleArray2DProperties.get(s);
    }
    
    public ArrayList<Double> getDoubleMatrixRow(String s, int row) {
        return doubleArray2DProperties.get(s).get(row);
    }
    
    public Double getDoubleMatrixItem(String s, int row, int column) {
        return doubleArray2DProperties.get(s).get(row).get(column);
    }

    public ArrayList<Double> getDoubleMatrixColumn(String s, int column) {
        ArrayList<Double> out = new ArrayList();
        
        for(ArrayList<Double> row : doubleArray2DProperties.get(s)) {
            out.add(row.get(column));
        }
        return out;
    }

    
    public void setString(String s, String t) {
        stringProperties.put(s, t);
    }
    
    public String getString(String s) {
        return stringProperties.get(s);
    }

    public void setStringList(String s, ArrayList<String> l) {
        stringArrayProperties.put(s, l);
    }

    public void setStringMatrix(String s, ArrayList<ArrayList<String>> l) {
        stringArray2DProperties.put(s, l);
    }

    public ArrayList<String> getStringList(String s) {
        return stringArrayProperties.get(s);
    }

    public String getStringListItem(String s, int i) {
        return stringArrayProperties.get(s).get(i);
    }

    public ArrayList<ArrayList<String>> getStringMatrix(String s) {
        return stringArray2DProperties.get(s);
    }
    
    public ArrayList<String> getStringMatrixRow(String s, int row) {
        return stringArray2DProperties.get(s).get(row);
    }
    
    public String getStringMatrixItem(String s, int row, int column) {
        return stringArray2DProperties.get(s).get(row).get(column);
    }

    public ArrayList<String> getStringMatrixColumn(String s, int column) {
        ArrayList<String> out = new ArrayList();
        
        for(ArrayList<String> row : stringArray2DProperties.get(s)) {
            out.add(row.get(column));
        }
        return out;
    }

    
    public void setBoolean(String s, Boolean b) {
        booleanProperties.put(s, b);
    }
    
    public Boolean getBoolean(String s) {
        return booleanProperties.get(s);
    }

    public void setBooleanList(String s, ArrayList<Boolean> l) {
        booleanArrayProperties.put(s, l);
    }

    public void setBooleanMatrix(String s, ArrayList<ArrayList<Boolean>> l) {
        booleanArray2DProperties.put(s, l);
    }

    public ArrayList<Boolean> getBooleanList(String s) {
        return booleanArrayProperties.get(s);
    }

    public Boolean getBooleanListItem(String s, int i) {
        return booleanArrayProperties.get(s).get(i);
    }

    public ArrayList<ArrayList<Boolean>> getBooleanMatrix(String s) {
        return booleanArray2DProperties.get(s);
    }
    
    public ArrayList<Boolean> getBooleanMatrixRow(String s, int row) {
        return booleanArray2DProperties.get(s).get(row);
    }
    
    public Boolean getBooleanMatrixItem(String s, int row, int column) {
        return booleanArray2DProperties.get(s).get(row).get(column);
    }

    public ArrayList<Boolean> getBooleanMatrixColumn(String s, int column) {
        ArrayList<Boolean> out = new ArrayList();
        
        for(ArrayList<Boolean> row : booleanArray2DProperties.get(s)) {
            out.add(row.get(column));
        }
        return out;
    }

    public void setLong(String s, Long b) {
        longProperties.put(s, b);
    }
    
    public Long getLong(String s) {
        return longProperties.get(s);
    }

    public void setLongList(String s, ArrayList<Long> l) {
        longArrayProperties.put(s, l);
    }

    public void setLongMatrix(String s, ArrayList<ArrayList<Long>> l) {
        longArray2DProperties.put(s, l);
    }

    public ArrayList<Long> getLongList(String s) {
        return longArrayProperties.get(s);
    }

    public Long getLongListItem(String s, int i) {
        return longArrayProperties.get(s).get(i);
    }

    public ArrayList<ArrayList<Long>> getLongMatrix(String s) {
        return longArray2DProperties.get(s);
    }
    
    public ArrayList<Long> getLongMatrixRow(String s, int row) {
        return longArray2DProperties.get(s).get(row);
    }
    
    public Long getLongMatrixItem(String s, int row, int column) {
        return longArray2DProperties.get(s).get(row).get(column);
    }

    public ArrayList<Long> getLongMatrixColumn(String s, int column) {
        ArrayList<Long> out = new ArrayList();
        
        for(ArrayList<Long> row : longArray2DProperties.get(s)) {
            out.add(row.get(column));
        }
        return out;
    }

    

    


}

package gcj;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.InputStreamReader;
import java.io.PrintStream;
import java.util.Arrays;

public class DancingWithGooglers 
{
	boolean[][] isPossibleNormal;
	boolean[][] isPossibleSurprising;
	
	int P;
	int[] totalPoints;
	int N;
	int[][] memo;
	
	public DancingWithGooglers()
	{
		this.isPossibleNormal=new boolean[31][11];
		this.isPossibleSurprising=new boolean[31][11];
		for(int i=0;i<31;++i)
		{
			Arrays.fill(isPossibleNormal[i],false);
			Arrays.fill(isPossibleSurprising[i],false);
		}
		for(int a=0;a<=10;++a)
		{
			for(int b=0;b<=10;++b)
			{
				for(int c=0;c<=10;++c)
				{
					int total=a+b+c;
					int best=Math.max(a, b);
					best=Math.max(best, c);
					int maxDiff=Math.max(0,Math.abs(a-b));
					maxDiff=Math.max(maxDiff,Math.abs(b-c));
					maxDiff=Math.max(maxDiff,Math.abs(a-c));					
					if(maxDiff>2)
						continue;
					else if(maxDiff==2)
					{
						isPossibleSurprising[total][best]=true;
					}
					else
					{
						isPossibleNormal[total][best]=true;
					}					
				}
			}
		}
	}
	
	private int solve(int idx,int surpriseLeft)
	{
		if(idx>=N)
		{
			if(surpriseLeft==0)
				return 0;
			else
				return -2;			
		}
		else if(memo[idx][surpriseLeft]!=-1)
			return memo[idx][surpriseLeft];
		else
		{
			int ret=Integer.MIN_VALUE,t1=ret,t2=ret, t3=ret,t4=ret;
			boolean goNormal=false, goSurprising=false;
			for(int possi=P;possi<=10;++possi)
			{
				if(isPossibleNormal[totalPoints[idx]][possi])
					goNormal=true;
				if(isPossibleSurprising[totalPoints[idx]][possi])
					goSurprising=true;
			}
			if(goNormal)
			{
				int t=solve(idx+1,surpriseLeft);
				if(t!=-2)
					t1=1+t;
			}
			if(goSurprising && surpriseLeft>0)
			{
				int t=solve(idx+1,surpriseLeft-1);
				if(t!=-2)
					t2=1+t;
			}			
			{
				//ignore current idx and then not alter surpriseLeft
				int t=solve(idx+1,surpriseLeft);
				if(t!=-2)
					t3=t;
			}
			if(surpriseLeft>0)
			{
				int t=solve(idx+1,surpriseLeft-1);
				if(t!=-2)
				{
					t4=t;
				}
			}
			ret=Math.max(ret,t1);
			ret=Math.max(ret,t2);
			ret=Math.max(ret,t3);
			ret=Math.max(ret,t4);
			if(ret==Integer.MIN_VALUE)
				ret=-2;
			memo[idx][surpriseLeft]=ret;
			return ret;
		}
	}
	private int getMaximumGooglers(int N,int S,int P, int[] totalPoints)
	{
		this.N=N;
		this.P=P;
		this.totalPoints=totalPoints;
		this.memo=new int[N+1][N+1];
		for(int i=0;i<=N;++i)
			Arrays.fill(memo[i],-1);
		int ret=solve(0,S);
		return ret;
	}

	/**
	 * @param args
	 */
	public static void main(String[] args) throws Exception 
	{
		BufferedReader br=null;
		if(args.length>=1)
			br=new BufferedReader(new FileReader(new File(args[0])));
		else
			br=new BufferedReader(new InputStreamReader(System.in));
		if(args.length>=2)
			System.setOut(new PrintStream(new FileOutputStream(args[1])));
		int T=Integer.valueOf(br.readLine().trim());
		DancingWithGooglers obj=new DancingWithGooglers();
		for(int t=1;t<=T;++t)
		{
			String[] tok=br.readLine().trim().split(" ");
			int N=Integer.valueOf(tok[0]);
			int S=Integer.valueOf(tok[1]);
			int P=Integer.valueOf(tok[2]);
			int[] totalPoints=new int[N];
			for(int j=0;j<N;++j)
				totalPoints[j]=Integer.valueOf(tok[3+j]);
			int ret=obj.getMaximumGooglers(N, S, P, totalPoints);
			System.out.println("Case #"+t+": "+ret);
		}
		br.close();

	}

}