/*
 * 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");
    }

}
import java.io.*;
import java.lang.*;
import java.util.*;

public class Recycle{
   public static void main(String args []){
        try{
            FileInputStream fstream = new FileInputStream("C-large.in");
            DataInputStream in = new DataInputStream(fstream);
            BufferedReader br = new BufferedReader(new InputStreamReader(in));

            FileWriter ostream = new FileWriter("recOut.txt");
            BufferedWriter out = new BufferedWriter(ostream);

            String str = br.readLine();
            int num = Integer.parseInt(str.replaceAll("\\s",""));

            String [] AB = new String[num];
            String temp;
            int k = 0;

            while((temp = br.readLine()) != null && k < num){
                AB[k] = temp;
                ++k;
            }

            //for(int i=1; i<= num; i++){
            for(int i=1; i<= num; i++){
                String ABs = AB[i-1].trim();
                int n = calcDig(ABs);
     
                out.write("Case #" + i + ": " + n);
                out.write("\n");
                out.flush();
            }
            out.close();
        }
        catch(Exception e){}
   }
   public static int calcDig(String input){
       String [] nums = input.split(" ");
       int A = Integer.parseInt(nums[0].replaceAll("\\s",""));
       int B = Integer.parseInt(nums[1].replaceAll("\\s",""));

       if(A < 10)
           return 0;
        else return numRot(A, B);     
   }

   public static int numRot(int A, int B){
       int toRet = 0;
       int len = Integer.toString(A).length();
       int cur = A;
       //System.out.println(A);
       //System.out.println(B);
       //System.out.println(len);

       HashMap<Integer, Integer> sets = new HashMap<Integer, Integer>();

       while(cur < B){
           for(int j=1; j< len; j++){         
               int newPerm = Rotate(cur, j, len);
               int newLen = Integer.toString(newPerm).length();
               //System.out.println(cur + " " +newPerm);
               if(B >= newPerm && newLen == len && cur < newPerm){
                   ++toRet;
                   //sets.put(cur, newPerm);
                   if(sets.containsKey(cur)){
                       if(sets.get(cur) == newPerm){
                           //System.out.println("Found: " + sets.get(cur));
                           --toRet;
                       }
                   }
                   else{
                    sets.put(cur, newPerm);
                   }
               }
               /*
               else
                   System.out.println("  perm " + newPerm + " not counted");
                   */
           }
           ++cur;
       }
       return toRet;
   }

   public static int checkRot(int A, int B, int len){
     //System.out.print("A: " + A);
     //System.out.println("B: " + B);

     List<Integer> aList = new ArrayList<Integer>();
     List<Integer> bList = new ArrayList<Integer>();

     int a = A;
     int b = B;

     while(a > 0){
         aList.add(a % 10);
         bList.add(b % 10);
         a /= 10;
         b /= 10;
      }
     
     Collections.sort(aList);
     Collections.sort(bList);

     if(aList.equals(bList)){
         //nreturn iterRot(A, B, len);
         return 0;
     }
     else
         return 0;
   }

   /*
   public static int iterRot(int A, int B, int len){
       int toRet = 0;
       for(int i=1; i<len; i++){
           if(Rotate(A, i, len) <= B)
               ++toRet;
       }
       return toRet;
    }*/

   public static int Rotate(int n, int k, int len){
       int rem = len-k;
       int place = (int)Math.pow(10,(rem));
       //System.out.println(place);
       int x = n/place;               
       //System.out.println(x);
       int y = n % place;
       //System.out.println(y);
       int newPlace = (int)Math.pow(10,k);

       return (y*newPlace) + x; 
   }
}

