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

package year_2012.qualification;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashSet;
import java.util.Set;

/**
 *
 * @author paul
 * @date 14 Apr 2012
 */
public class QuestionC {

    private static Set<Integer> getCycle(int x) {

        String s = Integer.toString(x);
        Set<Integer> set = new HashSet<Integer>();
        set.add(x);
        for (int c = 1; c < s.length(); c++) {
            String t = s.substring(c).concat(s.substring(0, c));
            set.add(Integer.parseInt(t));
        }
        return set;
        
    }

    private static Set<Integer> mask(Set<Integer> set, int a, int b) {
        Set<Integer> result = new HashSet<Integer>();

        for (int x : set) {
            if (x >= a && x <= b) {
                result.add(x);
            }
        }
        
        return result;

    }


    public static void main(String[] args) throws FileNotFoundException, IOException {

        String question = "C";

//        String name = "large";
        String name = "small-attempt0";
//        String name = "test";

        String filename = String.format("%s-%s", question, name);

        BufferedReader input = new BufferedReader(
                new FileReader(String.format("/home/paul/Documents/code-jam/2012/qualification/%s.in",
                filename)));

        String firstLine = input.readLine();

        PrintWriter pw = new PrintWriter(new File(
                String.format("/home/paul/Documents/code-jam/2012/qualification/%s.out", filename)));


        int T = Integer.parseInt(firstLine);

        // Loop through test cases.
        for (int i = 0; i < T; i++) {

//             Read data.
            String[] tokens = input.readLine().split(" ");

//            int N = Integer.parseInt(input.readLine());

            int A = Integer.parseInt(tokens[0]);
            int B = Integer.parseInt(tokens[1]);

//            System.out.format("%d, %d\n", A, B);

            boolean[] used = new boolean[B+1];
            int total = 0;
            for (int n = A; n <= B; n++) {
                if (!used[n]) {
                    Set<Integer> set = mask(getCycle(n), A, B);
                    int k = set.size();
                    total += (k * (k-1))/2;
                    for (int m : set) {
                        used[m] = true;
                    }
                }
            }

            pw.format("Case #%d: %d\n", i + 1, total);
        }

        pw.close();

    }

}

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

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;

/**
 *
 * @author 3mara
 */
public class Main {

    /**
     * @param args the command line arguments
     */
    static int testCases = 0;
    static int a = 0, b = 0;
    static int numDigits;
    static HashMap<Integer, HashMap<Integer, Integer>> table = new HashMap<Integer, HashMap<Integer, Integer>>();

    public static void read() {
        try {
            int index = 1;
            BufferedReader br = new BufferedReader(new FileReader("C-small-attempt0.in"));
            int result = 0;
            testCases = Integer.parseInt(br.readLine());
            while (index <= testCases) {
                String array = (br.readLine());
                a = Integer.parseInt((array.split(" "))[0]);
                b = Integer.parseInt((array.split(" "))[1]);
                numDigits = (array.split(" ")[0]).length();
                if (a == (b) || a < 9) {
                    System.out.println("Case #" + index + ": 0");
                } else {
                    result = 0;
                    table.clear();
                    String temp = "";
                    for (int i = a; i <= b; i++) {
                        for (int j = numDigits - 1; j >= 1; j--) {
                            temp = i + "";
                            int tempint = Integer.parseInt(temp.substring(j) + temp.substring(0, j));
                            if ((tempint <= b) && tempint > i) {
                                if (table.get(i) != null && !table.get(i).containsKey(tempint)) {
//                                System.out.println(temp + "====" + temp.substring(j) + temp.substring(0, j));
                                    result++;
                                } else if (table.get(i) == null) {
                                    table.put(i, new HashMap<Integer, Integer>());
                                    table.get(i).put(tempint, 1);
                                    result++;
                                }
                            }
                        }
                    }
                    System.out.println("Case #" + index + ": " + result);
                }


                index++;
            }
        } catch (IOException ex) {
            Logger.getLogger(Main.class.getName()).log(Level.SEVERE, null, ex);
        }
    }

    public static void main(String[] args) {
//        try {
//            BufferedReader br = new BufferedReader(new FileReader("a.txt"));
//            String[] array = new String[288];
//            String line = "";
//            int i = 0;
//            while ((line = br.readLine()) != null) {
//                array[i] = line;
//                i++;
//            }
//            Arrays.sort(array);
//            for (int j = 0; j < 288; j++) {
//                System.out.println(array[j]);
//            }
//            //        System.out.println();
//            //        System.out.println();
        read();
//            //        System.out.println();
//        } catch (IOException ex) {
//            Logger.getLogger(Main.class.getName()).log(Level.SEVERE, null, ex);
//        }
    }
}
