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.google.code.jam2012.problemC;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.HashSet;
import java.util.Scanner;

/**
 * Created with IntelliJ IDEA.
 * User: Vahid
 * Date: 4/14/12
 * Time: 6:54 PM
 * To change this template use File | Settings | File Templates.
 */
public class ProblemC1 {

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

        Scanner scanner = new Scanner(new FileInputStream("data.in"));

        FileOutputStream out = new FileOutputStream("C2.out");
        long a, b, m,n;
        int lines = scanner.nextInt();
        scanner.nextLine();
        for (int i = 1; i<=lines; i++){
            a = scanner.nextLong();
            b = scanner.nextLong();
            out.write(("Case #"+i+": "+ calculate(a, b)).getBytes());
            out.write('\r');
            out.write('\n');
            if (scanner.hasNextLine()) scanner.nextLine();
        }
        scanner.close();
        out.close();
    }

    private static long calculate(long a, long b) {
        long logarithm = 1;
        long counter = 0;
        int len = 1;
        while (logarithm * 10 <= b) {
            logarithm *= 10;
            len++;
        }
        HashSet<Long> list;
        for (long n = a; n<b; n++) {
            list = new HashSet<Long>(100);
            long m = n;
            for (int i=1; i<len; i++){
                m = (m %10) *logarithm + (m/10);
                if ((n<m) && (m<=b) && (!list.contains(new Long(m)))) {
                    counter++;
                    list.add(new Long(m));
                }
            }
        }
        return  counter;
    }

}
