/*
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 * and open the template in the editor.
 */
package IO;

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
    
/**
 * 
 * @author dannocz
 */
public class InputReader {
    
    public static Input readFile(String filename){
        try {
              
              /*  Sets up a file reader to read the file passed on the command
          77        line one character at a time */
              FileReader input = new FileReader(filename);
              
              /* Filter FileReader through a Buffered read to read a line at a
                 time */
              BufferedReader bufRead = new BufferedReader(input);
              
              String line;    // String that holds current file line
              int count = 0;  // Line number of count 
              ArrayList<String> cases= new ArrayList<String>();
              
              // Read first line
              line = bufRead.readLine();
              int noTestCases=Integer.parseInt(line);
              count++;
              
              // Read through file one line at time. Print line # and line
              while (count<=noTestCases){
                  //System.out.println("Reading. "+count+": "+line);
                  line = bufRead.readLine();
                  cases.add(line);
                  count++;
              }
              
              bufRead.close();
              
              return new Input(noTestCases,cases);
              
          }catch (ArrayIndexOutOfBoundsException e){
              /* If no file was passed on the command line, this expception is
              generated. A message indicating how to the class should be
              called is displayed */
              e.printStackTrace();        
  
          }catch (IOException e){
              // If another exception is generated, print a stack trace
              e.printStackTrace();
          }
        
        return null;
          
      }// end main
    }

import java.io.*;
import java.util.*;

public class B_Qual {
	static int n, s, score;
	static int inf = 1 << 25;
	static int[][] dp = new int[128][128];
	static int[] points=new int[128];
	public static int go(int index, int surprise) {
		if(surprise>s)return -inf;
		if (index == n) {
			if (surprise == s)
				return 0;
			return -inf;
		}
		if (dp[index][surprise] != -1)
			return dp[index][surprise];
		int res = 0;
		for (int i = 0; i <= 10; i++) {
			for (int j = -1; j <= 1; j++) {
				for (int k = -1; k <= 1; k++) {
					int a = i, b = i + j, c = i + k;
					int max = Math.max(Math.max(a, b), c);
					if (a+b+c==points[index]&&ValidTriple(a,b,c)&&!surp(a,b,c)) {
						if (max >= score)
							res = Math.max(res, 1 + go(index + 1, surprise));
						else
							res = Math.max(res, go(index + 1, surprise));
					}
				}
			}
		}
		for (int i = 0; i <= 10; i++) {
			for (int j = -2; j <= 2; j ++) {
				for (int k = -2; k <= 2; k ++) {
					int a = i, b = i + j, c = i + k;
					int max = Math.max(Math.max(a, b), c);
					if (a+b+c==points[index]&&ValidTriple(a,b,c)&&surp(a,b,c)) {
						if (max >= score)
							res = Math.max(res, 1 + go(index + 1, surprise + 1));
						else
							res = Math.max(res, go(index + 1, surprise + 1));
					}
				}
			}
		}
		return dp[index][surprise] = res;
	}

	private static boolean surp(int a, int b, int c) {
		int[] x={a,b,c};
		for (int i = 0; i < x.length; i++) {
			for (int j = 0; j < x.length; j++) {
				if(x[i]-x[j]==2)return true;
			}
		}
		return false;
	}

	private static boolean ValidTriple(int a, int b, int c) {
		int[] x={a,b,c};
		Arrays.sort(x);
		for (int i = 0; i < x.length; i++) {
			if(!valid(x[i]))
				return false;
		}
		for (int i = 0; i < x.length; i++) {
			for (int j = i+1; j < x.length; j++) {
				if(x[j]-x[i]>2)
					return false;
			}
		}
		return true;
	}

	private static boolean valid(int a) {
		return a >= 0 && a <= 10;
	}

	public static void main(String[] args) throws IOException {
		Scanner in = new Scanner(System.in);
		int T = in.nextInt();
		for (int tt = 1; tt <= T; tt++) {
			for (int[] x : dp)
				Arrays.fill(x, -1);
			n = in.nextInt();
			s = in.nextInt();
			score = in.nextInt();
			for(int i=0;i<n;i++){
				points[i]=in.nextInt();
			}
			System.out.printf("Case #%d: %d\n", tt, go(0, 0));
		}
	}
}