/*
 * 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 pkg2012codejam;

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

/**
 *
 * @author Nimos
 */
public class QuestionC {

    public static void main(String args[]) {
        try {
            File input = new File("C:\\Users\\Nimos\\Desktop\\INPUTS\\2012\\C-large(1).in");
            FileReader fr = new FileReader(input);
            BufferedReader br = new BufferedReader(fr);
            PrintWriter out = new PrintWriter(new File("C:\\Users\\Nimos\\Desktop\\INPUTS\\2012\\C-small-ans.in"));
            String no = br.readLine();
            int number = Integer.parseInt(no);
            for (int h = 0; h <= number - 1; h++) {
                int done =0;
                String nos = br.readLine();
                String[] n = nos.split(" ");
                int s = Integer.parseInt(n[0]);
                int e = Integer.parseInt(n[1]);
                int size = n[0].length();
               // ArrayList al = new ArrayList();
                
                for (int i=s;i<=e;i++){
                    String t = Integer.toString(i);
                    for (int j = 1;j<size;j++){
                        t= t.substring(1,size)+t.substring(0,1);
                        //System.out.print(j+" ");
                        int k = Integer.parseInt(t);
                        if (k>i && k<=e && k>=s){
                            done++;
                            //System.out.println(done + " " + i);
                            //al.add(t); 
                        }
                                                
                    }
                }

                int m = 1 + h;
                String ans = "Case #" + m + ": " + done;
                out.println(ans);
                out.flush();

            }


            br.close();
            out.close();

        } catch (IOException e) {
            e.printStackTrace();

        }
    }

}
