/*
 * 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 codejam;

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

/**
 *
 * @author Ka
 */
public class Recy {
        private File file;
    private int aantal;
    private ArrayList<String> cases;
    private ArrayList<Integer> max;
    public Recy(File f) throws FileNotFoundException
    {
        file = f;
        Scanner scanner = new Scanner(new FileReader(file));
        aantal = scanner.nextInt();
        cases = new ArrayList<String>(aantal);
        max = new ArrayList<Integer>(aantal);
        scanner.nextLine();
        for(int i =0; i < aantal ; i++)
        {
            String s = scanner.nextLine();
            cases.add(s);
        }
        System.out.println(cases);
    }
    public void scores()
    {
        for(String s : cases)
        {
            int counter = 0;
            ArrayList<Integer> nb = new ArrayList<Integer>();
            String sb = "";
            while(counter < s.length())
            {
                if(s.charAt(counter)!= ' ')
                {
                    sb = sb + s.charAt(counter);
                }
                if(s.charAt(counter) == ' '&& counter != s.length()-1)
                {
                    int n = Integer.parseInt(sb);
                    nb.add(n);
                    sb = "";
                }
                counter++;
            }
            if(counter == s.length())
            {
                int n = Integer.parseInt(sb);
                nb.add(n);
                sb = "";
            }
            System.out.println(nb);
            options(nb);
        }
    }
    public void options(ArrayList<Integer>nr)
    {
        int n = nr.get(0), m = nr.get(1),amount=0;
        if(n < 10 && m < 10)
            amount = 0;
        else if(n >= 10 && n < 100&& n % 10 < 10)
        {
            for(int i = n ; i < m ; i++)
            {
                String s = Integer.toString(i);
                int g = Integer.parseInt(s);
                String s1 = s.charAt(1)+""+ s.charAt(0)+"";
                int r = Integer.parseInt(s1);
                if(g >= n && g <= m && r >= n && r <= m && g < r )
                    amount++;
            }
        }
        else if(n >= 100 && n < 1000)
        {
            for(int i = n ; i < m ; i++)
            {
                String s = Integer.toString(i);
                int g = Integer.parseInt(s);
                String s1 = s.charAt(2)+""+ s.charAt(0)+""+s.charAt(1);
                String s2 = s.charAt(1)+""+ s.charAt(2)+""+s.charAt(0);
                int r = Integer.parseInt(s1);
                int r1 = Integer.parseInt(s2);
                if(g >= n && g <= m && r >= n && r <= m && g < r )
                    amount++;
                if(r != r1)
                {
                    if(g >= n && g <= m && r1 >= n && r1 <= m && g < r1 )
                        amount++;
                }
            }
        }
        else if(n >= 1000 && n < 10000)
        {
            for(int i = n ; i < m ; i++)
            {
                String s = Integer.toString(i);
                int g = Integer.parseInt(s);
                String s1 = s.charAt(3)+""+s.charAt(0)+""+ s.charAt(1)+""+s.charAt(2);
                String s2 = s.charAt(2)+""+s.charAt(3)+""+ s.charAt(0)+""+s.charAt(1);
                String s3 = s.charAt(1)+""+s.charAt(2)+""+ s.charAt(3)+""+s.charAt(0);
                int r = Integer.parseInt(s1);
                int r1 = Integer.parseInt(s2);
                int r2 = Integer.parseInt(s3);
                if(g >= n && g <= m && r >= n && r <= m && g < r )
                    amount++;
                if(r != r1 && r1 != r2 && r != r2)
                {
                    if(g >= n && g <= m && r1 >= n && r1 <= m && g < r1 )
                        amount++;
                    if(g >= n && g <= m && r2 >= n && r2 <= m && g <= r2 )
                        amount++;
                }
            }
        }
        else if(n >= 10000 && n < 100000)
        {
            for(int i = n ; i < m ; i++)
            {
                String s = Integer.toString(i);
                int g = Integer.parseInt(s);
                String s1 = s.charAt(4)+""+s.charAt(0)+""+s.charAt(1)+""+ s.charAt(2)+""+s.charAt(3);
                String s2 = s.charAt(3)+""+s.charAt(4)+""+s.charAt(0)+""+ s.charAt(1)+""+s.charAt(2);
                String s3 = s.charAt(2)+""+s.charAt(3)+""+s.charAt(4)+""+ s.charAt(0)+""+s.charAt(1);
                String s4 = s.charAt(1)+""+s.charAt(2)+""+s.charAt(3)+""+ s.charAt(4)+""+s.charAt(0);
                int r = Integer.parseInt(s1);
                int r1 = Integer.parseInt(s2);
                int r2 = Integer.parseInt(s3);
                int r3 = Integer.parseInt(s4);
                if(g >= n && g <= m && r >= n && r <= m && g < r )
                    amount++;
                if(r != r1 || r1 != r2 || r != r2 || r != r3 || r2 != r3)
                {
                    if(g >= n && g <= m && r1 >= n && r1 <= m && g < r1 )
                        amount++;
                    if(g >= n && g <= m && r2 >= n && r2 <= m && g <= r2 )
                        amount++;
                    if(g >= n && g <= m && r3 >= n && r3 <= m && g <= r3 )
                        amount++;
                }
            }
        }
        else if(n >= 1000000 && n < 10000000)
        {
            for(int i = n ; i < m ; i++)
            {
                String s = Integer.toString(i);
                int g = Integer.parseInt(s);
                String s1 = s.charAt(5)+""+s.charAt(0)+""+s.charAt(1)+""+s.charAt(2)+""+ s.charAt(3)+""+s.charAt(4);
                String s2 = s.charAt(4)+""+s.charAt(5)+""+s.charAt(0)+""+s.charAt(1)+""+ s.charAt(2)+""+s.charAt(3);
                String s3 = s.charAt(3)+""+s.charAt(4)+""+s.charAt(5)+""+s.charAt(0)+""+ s.charAt(1)+""+s.charAt(2);
                String s4 = s.charAt(2)+""+s.charAt(3)+""+s.charAt(4)+""+s.charAt(5)+""+ s.charAt(0)+""+s.charAt(1);
                String s5 = s.charAt(1)+""+s.charAt(2)+""+s.charAt(3)+""+s.charAt(4)+""+ s.charAt(5)+""+s.charAt(0);
                int r = Integer.parseInt(s1);
                int r1 = Integer.parseInt(s2);
                int r2 = Integer.parseInt(s3);
                int r3 = Integer.parseInt(s4);
                int r4 = Integer.parseInt(s5);
                if(g >= n && g <= m && r >= n && r <= m && g < r )
                    amount++;
                if(r != r1 || r1 != r2 || r != r2 || r != r3 || r2 != r3 || r != r4 || r2 != r4 || r3 != r4)
                {
                    if(g >= n && g <= m && r1 >= n && r1 <= m && g < r1 )
                        amount++;
                    if(g >= n && g <= m && r2 >= n && r2 <= m && g <= r2 )
                        amount++;
                    if(g >= n && g <= m && r3 >= n && r3 <= m && g <= r3 )
                        amount++;
                    if(g >= n && g <= m && r4 >= n && r4 <= m && g <= r4 )
                        amount++;
                }
            }
        }
        max.add(amount);
    }
        public void output(BufferedWriter out) throws FileNotFoundException, IOException
    {
        int counter = 1;
        for(Integer s : max )
        {
            out.write("Case #" + counter + ": ");
            out.write(s+"\n");
            counter++;
        }
        out.close();
    }
}
