package Main;

import com.sun.deploy.util.ArrayUtil;
import org.apache.commons.lang3.ArrayUtils;

import java.io.*;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;

/**
 * Created with IntelliJ IDEA.
 * User: arran
 * Date: 14/04/12
 * Time: 3:12 PM
 * To change this template use File | Settings | File Templates.
 */
public class Round {
    public StringBuilder parse(BufferedReader in) throws IOException {
        StringBuilder out = new StringBuilder();
        String lineCount = in.readLine();

        for (int i = 1; i <= Integer.parseInt(lineCount); i++)
        {
            out.append("Case #"+i+": ");
            System.err.println("Case #"+i+": ");
            String line = in.readLine();
            String[] splits = line.split(" ");
            int p1 = Integer.valueOf(splits[0]);
            int p2 = Integer.valueOf(splits[1]);
            int r = pairRecyclable(p1, p2);
            out.append(r);

//            if (i < Integer.parseInt(lineCount))
                out.append("\n");
        }
        return out;
    }

    public static int pairRecyclable(int i1, int i2) {
        HashSet<String> hash = new HashSet<String>();
        for (int i = i1; i < i2; i++)
        {
            String istr = String.valueOf(i);
            if (istr.length() < 2) continue;
            for (int p = 0; p < istr.length() ; p++)
            {
                String nistr = istr.substring(p,istr.length()).concat(istr.substring(0,p));
                if (Integer.valueOf(nistr) < i1) continue;
                if (Integer.valueOf(nistr) > i2) continue;
                if (nistr.equals(istr)) continue;
                String cnistr = (Integer.valueOf(nistr) > Integer.valueOf(istr)) ?  istr + "," + nistr : nistr + "," + istr;
                hash.add(cnistr);
            }
        }
        return hash.size();
    }

    public static void main(String[] args) {
        InputStreamReader converter = null;
        try {
            int attempt = 0;
            String quest = "C";
//            String size = "small-attempt";
            String size = "large";
            converter = new InputStreamReader(new FileInputStream("src/resource/"+quest+"-"+size+".in"));
            BufferedReader in = new BufferedReader(converter);
            Round r = new Round();
            String str = r.parse(in).toString();
            System.out.print(str);
            FileOutputStream fos = new FileOutputStream(quest+"-"+size+".out");
            OutputStreamWriter osw = new OutputStreamWriter(fos);
            BufferedWriter bw = new BufferedWriter(osw);
            bw.write(str);
            bw.flush();
            bw.close();
        } catch (IOException e) {
            e.printStackTrace();
        }

    }
}

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

import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Scanner;

/**
 *
 * @author KazakhPride
 */
public class Main {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) throws IOException {
        // TODO code application logic here
        Scanner in = new Scanner(new File("C-large.in"));
        PrintWriter out = new PrintWriter(new File("output.txt"));

        int n = in.nextInt();
        int len = 0;

        for (int i = 1; i <= n; i++) {
            out.print("Case #" + i + ": ");
            int current_n = 0;
            int current_m = 0;
            int range = 0;
            int a = in.nextInt();
            int b = in.nextInt();
            int count = 0;

            if ((a + "").length() == 1 && (b + "").length() == 1) {
                count = 0;
            } else {
                range = b - a;
                for (int j = 0; j < range; j++) {
                    current_n = j + a;
                    current_m = j + a;

                    int l = (current_n + "").length();
                    // if (l==3) len=9;
                    // if(l==4) len = 28;
                    for (int k = 0; k < l; k++) {
                        String m = current_m + "";
                        if (m.length() < l) {
                            for (int w = 0; w < (l - m.length()); w++) {
                                m = "0"+m;
                            }
                        }
                        current_m = Integer.parseInt(m.substring(l - 1) + m.substring(0, l - 1));
                        if (current_m <= b && current_m > current_n && current_m >= a) {
                            ++count;
                        }
                    }
                }
            }
            out.println(count);
        }
        in.close();
        out.close();
    }
}