import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.HashSet;
import java.util.Set;


public class GoogleC {
	public String szamol(String input){
		String result="";
		String a=input;
		Integer min=Integer.parseInt(a.substring(0,a.indexOf(' ')));
		a=a.substring(a.indexOf(' ')+1);
		Integer max=Integer.parseInt(a);
		Long count=0l;
		for(Integer i=min; i<=max; i++){
			String e1=i.toString();
			Set<Integer> db=new HashSet<Integer>(); 
			for (int j=1; j<e1.length();j++){
				
				String e2=e1.substring(j)+e1.substring(0,j);
				Integer k=Integer.parseInt(e2);
				if (k>i && k<=max){
					db.add(k);
					//System.out.println(e1+"\t"+e2);
				}
				
			}
			count+=db.size();
		}
		
		return count.toString();
	}
	public static void main(String[] args) {
		GoogleC a=new GoogleC();
		//String filename="input.txt";
		//String filename="C-small-attempt0.in";
		String filename="C-large.in";
		String thisLine;
		try {
			BufferedReader br = new BufferedReader(new FileReader(filename));
			BufferedWriter bw= new BufferedWriter(new FileWriter(filename+".out"));
			thisLine=br.readLine();
			Integer tnum=Integer.parseInt(thisLine);
		     for(int i=0;i<tnum;i++) { // while loop begins here
		    	 	thisLine=br.readLine();
		           System.out.println(thisLine);
		           System.out.println("Case #"+(i+1)+": "+a.szamol(thisLine)+"\n");
		           bw.write("Case #"+(i+1)+": "+a.szamol(thisLine)+"\n");
		         } // end while 
		        // end try
		     br.close();
		     bw.close();
		} catch (FileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}


	}

}

import java.io.File;
import java.util.Scanner;
import java.util.Vector;

class C {
    static int count=0;
    public static void main(String[] args) {
        if(args.length==0){
            System.out.println("Error	::  Please provide input file name as first command line argument");
	    System.out.println("Usage	::  java Main <file_name>");
	    System.out.println("Example	::  java Main A-small-practice.in");
        }
   	else{
            try{
                Scanner input=new Scanner(new File("C-large.in"));
                //Scanner input=new Scanner(new File("input.txt"));
                //System.out.println("Reading Input from "+ args[0]+" file");
                int no=input.nextInt();

                int lim[][]=new int[no][2];

                for(int i=0;i<no;i++){
                    lim[i][0]=input.nextInt();
                    lim[i][1]=input.nextInt();
                }

               /*//Display
               for(int i=0;i<no;i++){
                   System.out.println(lim[i][0]+" "+lim[i][1]);
               }*/

               //Alogrithm
               for(int i=0;i<no;i++){
                   for(int j=lim[i][0];j<=lim[i][1];j++){
                       findIt(new Integer(j).toString(),lim[i][1]);
                   }
                   System.out.println("Case #"+(i+1)+": "+ count);
                   count=0;
               }
            }catch(Exception e){
                e.printStackTrace();
             }
        }
   }
   private static void findIt(String s,int limit) {
       Vector old=new Vector();
       if(s.length()!=1)
       for(int i=0,j=s.length()-1;j>0;j--){
           String newS=s.substring(j, s.length())+s.substring(i, j);
           if(!newS.startsWith("0")&&!s.equals(newS)&&new Integer(newS).intValue()>new Integer(s).intValue()&&new Integer(newS).intValue()<=limit){
               if(!old.contains(newS)){
                old.add(newS);
                //System.out.println(newS);
                count++;
               }
           }
       }
   }
}