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.monochromeiguana.codejam;

import com.google.common.collect.*;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.util.Arrays;
import java.util.List;
import java.util.Set;

/**
 * Hello world!
 *
 */
public class Main {

    static BufferedReader in;
    static BufferedWriter out;
    static String inputFile = "in.txt";
    static String outputFile = "outfile.txt";

    private static class Parser {

        public final int index;
        public int answer = 0;
        public final int lBound;
        public final int uBound;

        public Parser(String line, int ix) {
            index = ix;
            List<String> parts = Arrays.asList(line.split(" "));
            lBound = Integer.parseInt(parts.get(0));
            uBound = Integer.parseInt(parts.get(1));

//            Multimap<String, String> out = ArrayListMultimap.create();
            for (int l = lBound; l < uBound; l++) {
                String thing = String.valueOf(l);
                Set<String> friends = Sets.newHashSet();
                for (int offset = 1; offset < thing.length(); offset++) {
                    String friend = thing.substring(offset).concat(thing.substring(0, offset));
                    if (friend.startsWith("0")) {
                        continue;
                    }
                    
                    int friendly = Integer.parseInt(friend);
                    if (friendly <= l || friendly > uBound) {
                        continue;
                    }
                    friends.add(friend);
                }
                answer += friends.size();
            }
        }

        public String output() {
            return "Case #" + index + ": " + answer;
        }
    }

    public static void main(String[] args) throws Exception {

        in = new BufferedReader(new FileReader(inputFile));
        out = new BufferedWriter(new FileWriter(outputFile));
        try {
            String line = in.readLine();
            int nbCases = Integer.parseInt(line);
            int index = 0;
            while ((line = in.readLine()) != null) {
                index++;
                Parser p = new Parser(line, index);
                out.write(p.output());
                out.newLine();
            }
        } finally {
            in.close();
        }
        out.flush();
    }
}
