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 qualification.q1;

import java.util.HashMap;
import java.util.Map;

/**
 * Created by IntelliJ IDEA.
 * User: ofer
 * Date: 14/04/12
 * Time: 17:10
 * To change this template use File | Settings | File Templates.
 */
public class Q1Solver {
    
    private Map<Character,Character> mapping;
    
    public Q1Solver(){
        mapping = new HashMap<Character, Character>();
        mapping.put('y','a');
        mapping.put('n','b');
        mapping.put('f','c');
        mapping.put('i','d');
        mapping.put('c','e');
        mapping.put('w','f');
        mapping.put('l','g');
        mapping.put('b','h');
        mapping.put('k','i');
        mapping.put('u','j');
        mapping.put('o','k');
        mapping.put('m','l');
        mapping.put('x','m');
        mapping.put('s','n');
        mapping.put('e','o');
        mapping.put('v','p');
        mapping.put('z','q');
        mapping.put('p','r');
        mapping.put('d','s');
        mapping.put('r','t');
        mapping.put('j','u');
        mapping.put('g','v');
        mapping.put('t','w');
        mapping.put('h','x');
        mapping.put('a','y');
        mapping.put('q','z');
        mapping.put(' ',' ');
        
    }
    
    public String convertString(String encrypted){
        StringBuilder resString = new StringBuilder("");
        for (int i = 0 ; i < encrypted.length() ; i++){
            char decryptedChar = mapping.get(encrypted.charAt(i));
            resString.append(decryptedChar);
        }
        return resString.toString();
    }
}
