/*
 * 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();

    }

}

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

/**
 * Created by IntelliJ IDEA.
 * User: Bunyod Xalilov
 * Date: 4/14/12
 * Time: 11:32 AM
 * To change this template use File | Settings | File Templates.
 */
public class TaskC {
    BufferedReader stdin;
    PrintWriter out;
    Integer n, iii, t;
    Integer[] nm, nn, mm;
    Boolean[] array;
    String str;
    List<Integer> listOfCases;


    public TaskC() {
        stdin = new BufferedReader(new InputStreamReader(System.in));
        out = new PrintWriter(System.out);
    }

    public void solve() throws IOException {
        Integer[] in = readInt(1);
        n = in[0];
        nn = new Integer[n];
        mm = new Integer[n];
        array = new Boolean[1000001];
        listOfCases = new ArrayList<Integer>();
        Arrays.fill(array, true);
        for (int i = 0; i < n; i++) {
            nm = readInt(2);
            nn[i] = nm[0];
            mm[i] = nm[1];
        }

        for (int i = 0; i < n; i++) {
            iii = 0;
            for (int j = nn[i]; j <= mm[i]; j++) {
                str = String.valueOf(j);
                for (int k = 1; k < str.length(); k++) {
                    StringBuffer sb = new StringBuffer();
                    sb.append(str.substring(k, str.length()));
                    sb.append(str.substring(0, k));
                    if (!sb.toString().startsWith("0")) {
                        t = Integer.parseInt(sb.toString());
                        if (array[t] && (j < t && t <= mm[i])) {
                            array[t] = false;
                            iii++;
                        }
                    }
                }
                Arrays.fill(array, true);
            }
            out.println("Case #" + (i + 1) + ": " + iii);
        }

        out.flush();
    }

    public Integer[] readInt(int size) throws IOException {
        Integer[] result = new Integer[size];
        String[] params = stdin.readLine().split(" ");
        for (int i = 0; i < size; i++) {
            result[i] = Integer.parseInt(params[i]);
        }
        return result;
    }

    public static void main(String[] args) throws IOException {
        TaskC obj = new TaskC();
        obj.solve();
        obj.stdin.close();
        obj.out.close();
    }
}
