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

package Happy;
import java.io.*;
import java.math.*;
import java.lang.*;
import java.util.*;
import java.util.Arrays.*;
import java.io.BufferedReader;
//import java.io.IOException;
//import java.io.InputStreamReader;
//import java.io.PrintWriter;
//import java.util.StringTokenizer;

/**
 *
 * @author ipoqi
 */
public class Happy {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        new Happy().haha();
    }

    public void haha() {
        BufferedReader in = null;
        BufferedWriter out = null;
        try{
            in = new BufferedReader(new FileReader("C-large.in"));
            out = new BufferedWriter(new FileWriter("LLL.out"));
            int T = Integer.parseInt(in.readLine());
            System.out.println("T="+T);

            //LinkedList<Integer> mm = new LinkedList<Integer>();
            //mm.add(new LinkedList<Integer>());
           //int[][] mm;
           //for(int ii=0;ii<mm.length;ii++){
           //     mm[0][ii] = 1;
           //}


            for(int i=0;i<T;i++){
                String[] line = in.readLine().split(" ");
                int A = Integer.parseInt(line[0]);
                int B = Integer.parseInt(line[1]);
                //System.out.print(" A = "+A+"\n");
                //System.out.print(" B = "+B+"\n");

                int ans = 0;

                
                for(int j=A;j<B;j++){
                    int n=j;
                    if(n>=10){
                        String N = Integer.toString(n);
                        int nlen = N.length();
                        List<Integer> oks = new ArrayList<Integer>();
                        for(int k=0;k<nlen-1;k++){
                            String M = "";
                            for(int kk=1;kk<=nlen;kk++){
                                 M = M + N.charAt((k+kk)%nlen);
                            }
                            int m = Integer.parseInt(M);
                            //System.out.print(" N = "+N+"\n");
                            //System.out.print(" M = "+M+"\n");

                            if(m>n && m<=B) {
                                boolean isNewOne = true;
                                for(int kkk=0;kkk<oks.size();kkk++){
                                    //System.out.print(" KKK = "+oks.get(kkk)+"\n");
                                    if(m==oks.get(kkk)){
                                        isNewOne = false;
                                    }
                                }
                                if(isNewOne){
                                    //System.out.print(" N = "+N+"\n");
                                    //System.out.print(" M = "+M+"\n");
                                    oks.add(m);
                                    ans++;
                                }
                            }
                        }
                    }
                }
                out.write("Case #"+(i+1)+": "+ans+"\n");
                System.out.print("Case #"+(i+1)+": "+ans+"\n");
            }
            in.close();
            out.close();
        }catch(Exception e){
            e.printStackTrace();
            try{
                in.close();
                out.close();
            }catch(Exception e1){
                e1.printStackTrace();
            }
        }
        System.out.print("YES!\n");
    }

}
/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package g.jam_3;

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

//<editor-fold defaultstate="collapsed" desc="files">

/**
 *
 * @author toshiba
 */
public class Gjam_3 {

    static String input = "c:\\Gjam\\3\\small.in";
    static String output = "c:\\Gjam\\3\\output.out";

    public static void main(String[] args) throws FileNotFoundException, IOException {
        output o = new output(output);
        ArrayList<String> input_arr = new input().ReadInput(input);
        for (int j = 0; j < input_arr.size(); j++) {
            String[] t = input_arr.get(j).split(" ");
            int a = Integer.parseInt(t[0]);
            int b = Integer.parseInt(t[1]);
            int result = 0;
            for (int n = a; n <= b; n++) {
                String tmp = String.valueOf(n);
                for (int k = tmp.length()-1; k > 0; k--) {
                    tmp = String.valueOf(n).substring(k, String.valueOf(n).length()) +String.valueOf(n).substring(0, k);
                    int m = Integer.parseInt(tmp);
                    if(m==1111)
                        System.out.print(m);
                    if(m>n&&m<=b&&m!=n)
                        result++;
                }
            }
            o.write("Case #" + (j+1) + ": " + result + "\n");
        }
        o.close();
    }
}
class input {

    public ArrayList<String> ReadInput(String input) throws FileNotFoundException, IOException {
        ArrayList a = new ArrayList();
        BufferedReader str = new BufferedReader(new InputStreamReader(new FileInputStream(input)));
        String s = "";
        str.readLine();
        int x = 0;
        while ((s = str.readLine()) != null) {
            x++;
            a.add(s);
        }
        return a;
    }
}
//<editor-fold defaultstate="collapsed" desc="output">
class output {

    FileWriter fstream;
    BufferedWriter bw;

    public output(String output) throws IOException {
        fstream = new FileWriter(output);
        bw = new BufferedWriter(fstream);
    }

    public void write(String result) throws IOException {
        bw.write(result);
    }

    public void close() throws IOException {
        bw.close();
    }
}
//</editor-fold>
//</editor-fold>
