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;
    }

    

    


}

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.LinkedHashSet;
import java.util.Set;


public class GoogleDancers {

	/**
	 * @param args
	 */
	static ArrayList<int[]> comb;
	static int dancers;
	static int posScores[];
	static int S, p;
	static int ld;
	static int r1,r2;
	static int points[];
	static int max;
	
	public static void main(String[] args) throws NumberFormatException, IOException {
		// TODO Auto-generated method stub
		BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
		String hm="";
		int n =Integer.valueOf(in.readLine()), m=1;
		for(m=1;m<=n;m++){
			max=0; ld=1;
			String line[]=in.readLine().split(" ");
			dancers=Integer.valueOf(line[0]);
			posScores=new int[dancers+1];
			S=Integer.valueOf(line[1]);
			p=Integer.valueOf(line[2]);
			points= new int[dancers];
			comb=new ArrayList<int[]>();
			for(int rd=0;rd<dancers;rd++)
				points[rd]=Integer.valueOf(line[2+rd+1]);
			for(int dancer=1;dancer<=dancers;dancer++){
				r1=points[dancer-1]/3-1;r2=(int)Math.floor(points[dancer-1]/3.0+2);
				//System.out.println(dancer+" "+r1+" "+r2);
				if(r2>10) r2=10; if(r1<0) r1=0;  
				for(int i=r1;i<=r2;i++)
					for(int j=i;j<=r2;j++)
						for(int k=j;k<=r2;k++)
								if((i+j+k)==points[dancer-1]){
									int temp[]={dancer,i,j,k};
									if(good(temp)){
										if(ld!=dancer){
											ld=dancer;
											posScores[dancer]+=posScores[dancer-1];
										}
										posScores[dancer]++;
										comb.add(temp);
									}
								}
			}
	
			//check possible combinations
			rec(new int[0]);
			hm+="Case #"+m+": "+max+"\n";
		}
		System.out.println(hm);
		
	}
	
	public static boolean good(int[] aux){
		if(Math.abs(aux[1]-aux[2])>2) return false;
		if(Math.abs(aux[1]-aux[3])>2) return false;
		if(Math.abs(aux[2]-aux[3])>2) return false;
		return true;
	}
	
	public static void rec(int[] chos){
		if(chos.length==dancers){
			//evaluate
			String hm="";
			int aux[];
			int num=0, surp=0, lmax = 0;
			for(int i=0;i<chos.length;i++){
				num=0;
				aux=comb.get(chos[i]);
				if(Math.abs(aux[1]-aux[2])==2) num++;
				if(Math.abs(aux[1]-aux[3])==2) num++;
				if(Math.abs(aux[2]-aux[3])==2) num++;
				if(num>=1) 
					surp++;
				
				for(int j=1;j<=3;j++){
					if(aux[j]>=p){
						lmax++;
						break;
					}
				}
				hm+=chos[i]+" ";
			}
			// 0 1 4 6 8 9  SURP1
			//System.out.print(" SURP "+surp);
			if(surp==S && lmax>max){
				max=lmax;
			//	System.out.println("asd"+hm+" "+max);
			}
			
		}else{
			int[] newChos=new int[chos.length+1];
			for(int j=0;j<chos.length;j++)
				newChos[j]=chos[j];
			for(int i=posScores[chos.length];i<posScores[chos.length+1];i++){
				newChos[chos.length]=i;		
				rec(newChos);
			}
		}
			
	}
	
	public static void printComb(ArrayList<int[]> comb){
		for(int i=0;i<comb.size();i++){
			for(int j=0;j<comb.get(i).length;j++)
				System.out.print(((int[])comb.get(i))[j]+",");
			System.out.println();
		}
	}
	
	public static int[] sort(int dancer, int i,int j, int k){
		
		if(i>=j && i>=k){
			if(j>=k){
				int []r={dancer, i,j,k};
				return r;
			}else{
				int []r={dancer, i,k,j};
				return r;
			}
		}else if(j>=i && j>=k){
			if(i>=k){
				int []r={dancer, j,i,k};
				return r;
			}else{
				int []r={dancer, j,k,i};
				return r;
			}
		}else{
			if(i>=j){
				int []r={dancer, k,i,j};
				return r;
			}else{
				int []r={dancer, k,j,i};
				return r;
			}
		}
			
		//return (new int[3]);
	}

}
