/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package codejam.common;

import java.util.ArrayList;
import java.util.List;

/**
 *
 * @author Lance Chen
 */
public class CodeHelper {

    private static String FILE_ROOT = "D:/workspace/googlecodejam/meta";

    public static List<List<String>> loadInputsExcludes(String fileName) {
        List<List<String>> result = new ArrayList<List<String>>();
        List<String> lines = FileUtil.readLines(FILE_ROOT + fileName);
        int index = 0;
        for (String line : lines) {
            if (index == 0) {
                index++;
                continue;
            }
            if (index % 2 == 1) {
                index++;
                continue;
            }
            List<String> dataList = new ArrayList<String>();
            String[] dataArray = line.split("\\s+");
            for (String data : dataArray) {
                if (data.trim().length() > 0) {
                    dataList.add(data);
                }
            }
            result.add(dataList);
            index++;
        }
        return result;
    }

    public static List<List<String>> loadInputs(String fileName) {
        List<List<String>> result = new ArrayList<List<String>>();
        List<String> lines = FileUtil.readLines(FILE_ROOT + fileName);
        for (String line : lines) {
            List<String> dataList = new ArrayList<String>();
            String[] dataArray = line.split("\\s+");
            for (String data : dataArray) {
                if (data.trim().length() > 0) {
                    dataList.add(data);
                }
            }
            result.add(dataList);
        }
        return result;
    }

    public static List<String> loadInputLines(String fileName) {
        return FileUtil.readLines(FILE_ROOT + fileName);
    }

    public static void writeOutputs(String fileName, List<String> lines) {
        FileUtil.writeLines(FILE_ROOT + fileName, lines);
    }
}

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

/**
 * @author OleGG
 */
public class QualTaskB {
    public static void main(String[] args) throws Throwable {
        //StreamTokenizer st = new StreamTokenizer(new BufferedReader(new FileReader("B-small-attempt0.in.txt")));
        PrintWriter pw = new PrintWriter(new FileWriter("B-small-attempt0.out.txt"));
        StreamTokenizer st = new StreamTokenizer(new InputStreamReader(System.in));
        st.nextToken();
        int t = (int)st.nval;

        for (int test = 1; test <= t; ++test) {
            st.nextToken();
            int n = (int)st.nval;
            st.nextToken();
            int s = (int)st.nval;
            st.nextToken();
            int p = (int)st.nval;

            int[] val = new int[n];
            for (int i = 0; i < n; ++i) {
                st.nextToken();
                val[i] = (int)st.nval;
            }

            int[][] dyn = new int[n + 1][s + 1];
            for (int i = 0; i <= n; ++i) {
                Arrays.fill(dyn[i], 0);
            }

            for (int i = 0; i < n; ++i) {
                dyn[i + 1][0] = dyn[i][0];
                if ((val[i] + 2) / 3 >= p) {
                     ++dyn[i + 1][0];
                }

                for (int j = 0; j < s; ++j) {
                    int add = (val[i] + 2) / 3 >= p ? 1 : 0;
                    int addS = Integer.MIN_VALUE;
                    if (val[i] >= 2 && val[i] <= 28) {
                        switch (val[i] % 3) {
                            case 0:
                            case 1:
                                addS = val[i] / 3 + 1 >= p ? 1 : 0;
                                break;
                            case 2:
                                addS = val[i] / 3 + 2 >= p ? 1 : 0;
                                break;
                        }
                    }
                    dyn[i + 1][j + 1] = Math.max(dyn[i][j+1] + add, dyn[i][j] + addS);
                }
            }
            pw.printf("Case #%d: %d\n", test, dyn[n][s]);
        }
        pw.close();
    }
}
