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();
		}


	}

}

/**
 * 
 */
package com.sathish.codejam;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;

/**
 * @author satselva
 *
 */
public class Recycle
{
    public void processInput(String fileName) throws IOException
    {
        FileInputStream fis = new FileInputStream(fileName);
        BufferedReader br = new BufferedReader(new InputStreamReader(fis));
        
        PrintWriter pw = new PrintWriter(new File("C:/downloads/output_problem_3.txt"));
        String input = br.readLine();
        int testCases = Integer.valueOf(input);
        
        for(int i=1; i<=testCases; i++)
        {
            input = br.readLine();
            String[] samples = input.split(" ");
            int ans = displayRecycleNum(Integer.valueOf(samples[0]), 
                    Integer.valueOf(samples[1]), samples[0].length());
            
            pw.println(String.format("Case #%d: %d", i, ans));
        }
        
        pw.flush();
        pw.close();
        
    }
    
    public int displayRecycleNum(int min, int max, int digits)
    {
        if(digits <= 1)
            return 0;
        
        Set<String> recyclePairSet = new HashSet<String>();
        
        for(int i=min; i<=max; i++)
        {
            String input = String.valueOf(i) + String.valueOf(i);
            for(int index=1; index < digits; index++)
            {
                String num = input.substring(index, index+digits);
                
                int numVal = Integer.valueOf(num);
                
                if(!(numVal > min && numVal < max))
                    continue;
                
                if(num.startsWith("0") || i == numVal)
                    continue;
                
                if(i < Integer.valueOf(num))
                {
                    recyclePairSet.add(String.valueOf(i) + String.valueOf(num));
                }
                else 
                {
                    recyclePairSet.add(String.valueOf(num) + String.valueOf(i));
                }
            }
        }
        return recyclePairSet.size();
    }
    
    public static void main(String[] args) throws IOException
    {
        Recycle recycle = new Recycle();
        recycle.processInput("C:/downloads/C-large.in");
        
    }
}
