/*
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 * and open the template in the editor.
 */
package gcj;

import java.io.File;
import java.io.FileWriter;
import java.util.ArrayList;
import java.util.Scanner;

/**
 *
 * @author daniele
 */
public class GCJ_C {
    
    public static void main(String[] args) throws Exception{
        
        
        
        Scanner in = new Scanner(new File(args[0]));
        FileWriter out = new FileWriter("/home/daniele/Scrivania/Output");
        

        int prove=in.nextInt();
        int min,max;
        int cifre;
        int cifreaus;
        String temp;
        int aus;
        int count=0;
        ArrayList<Integer> vals = new ArrayList<Integer>();
        int jcount=0;
        ArrayList<Integer> perm = new ArrayList<Integer>();
        
        out.write("");
        out.flush();
        
        for(int i=1;i<=prove;i++){
            
            out.append("Case #" +i+": ");out.flush();
            
            min=in.nextInt();
            max=in.nextInt();
            
            for(int j=min;j<=max;j++){
               if(!vals.contains(j)){
                    temp=""+j;
                    cifre=temp.length();
                    aus=j;
                    perm.add(j);
                    for(int k=1;k<cifre;k++){
                        aus=rotateOnce(aus);
                        temp=""+aus;
                        cifreaus=temp.length();//elusione zeri iniziali
                        if(aus>=min && aus<=max && aus!=j && cifreaus==cifre && nobody(vals,perm)){ 
                            perm.add(aus);
                            jcount ++;
                            
                        }
                        
                    }
                    while(jcount>0){count+=jcount; jcount--;}
                    vals.addAll(perm);
                    perm= new ArrayList<Integer>();
                    
                }
            }
            out.append(count+"\n");out.flush();
            count=0;
            vals= new ArrayList<Integer>();
        }
        
        
        
    }
        static public int rotateOnce(int n){
            String s=""+n;
            if(s.length()>1){
                s=s.charAt(s.length()-1) + s.substring(0,s.length()-1);
                n=Integer.parseInt(s);
            }
            return n;
        }    
        
        static public boolean nobody(ArrayList<Integer> v,ArrayList<Integer> a){;
            for(int i=0;i<a.size();i++)
                if(v.contains(a.get(i))) return false;
            return true;
        } 
    
}


import java.util.*;
import java.io.*;
class Recycled_Numbers
{
  public static void main(String arg [])
  {
    int check =-456;
       String m="";
    int counter =0;
    int calculate =0;
    String sub="";
    int mi =0;
     int ma=0;
    String path;
    String first,second;
    int numberOfLoops=0;
     Scanner read = new Scanner(System.in);
    System.out.println("pls enter your file");
    path = read.nextLine();
    
   
    BufferedWriter bw;
    try
    {
      File  fobj = new File(path);
      Scanner sc = new Scanner(fobj);
      bw =new BufferedWriter( new FileWriter("RecycleOutput.txt"));
      int tests = sc.nextInt()  ,meter = 1;
      while (meter <= tests)
      {  
     
        mi= sc.nextInt();
          ma =sc.nextInt();
     
    while(mi<=ma)
    {
         counter =0;  
        m = mi+"";
     
     
      while(counter <m.length()-1)
      {
        numberOfLoops=m.length()-1;
        second = m.substring(numberOfLoops -counter);
        first = m.substring(0,numberOfLoops-counter);
        sub = second+first;
     
        if ((Integer .parseInt(sub)>mi)&&(Integer .parseInt(sub)<=ma)&&(Integer .parseInt(sub)!=check) )
        {
            
          calculate++;
        check= Integer .parseInt(sub);
        }
        
        counter++;
      }
      
      
      mi++;
    } 
    bw.write("Case #"+meter+": " +calculate );
    bw.newLine();
    calculate =0;
    meter++;
    } 
    bw.close();
      }//end of try
    catch(IOException e)
    {
      System.out.println(e);
    }
   
    }    
}