import java.util.Scanner;
import java.io.*;
import java.lang.Math;


public class C{
	public static int recycle(String str){
		String[] numbers = str.split(" ");
		int min = Integer.parseInt(numbers[0]);
		int max = Integer.parseInt(numbers[1]);
		int ret = 0;

		for(int i = min; i < max; i++){
			String num = i + "";
			int len = num.length();
			int k = i;
			for(int j = 1; j < len; j++){
				k = (k/10) + (int)java.lang.Math.pow(10.0,(double)(len-1))*(k%10);
				if (k > i && k <= max)
					ret++;
				else if(k == i)
					break;
			}
		}

		return ret;
	}

	public static void main(String[] args){
		Scanner sc = null;
		String next;
		int out;
		try{
			sc = new Scanner(new File("C-large.in"));
			int cases = Integer.parseInt(sc.nextLine());
			int current = 0;
			

			FileWriter fs = new FileWriter("output.txt");
			BufferedWriter buff = new BufferedWriter(fs);
			while(current < cases){
				next = sc.nextLine();
				current++;
				out = recycle(next);
				buff.write("Case #" + current + ": " + out + "\n");
			}
			buff.close();
		}
		catch(Exception ex){}
	}
}
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();
    }
}
