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 org.weiwei.recyclenumber;

import java.util.Date;
import java.util.HashSet;
import java.util.Set;

/**
 * Created with IntelliJ IDEA.
 * User: ding
 * Date: 12-4-14
 * Time: ä¸å1:03
 * To change this template use File | Settings | File Templates.
 */
public class RecyleBin {
    int lower;
    int higher;
    Set<Integer> retSet = new HashSet<Integer>();
    int length;
    int lengthNumber;

    public RecyleBin(int lower, int higher) {
        this.lower = lower;
        this.higher = higher;
        this.length = String.valueOf(lower).length();
        this.lengthNumber = (int)Math.pow(10, length-1);
    }

    public int exhaust(int i){
        int ret = 0;
        retSet.clear();
        if(length ==1 )
            return 0;
        else{
            int temp = i;
            for(int j = 1; j < length; j++){
                temp = temp/10+temp%10*lengthNumber;
                if(temp >= (10^length)  && temp < i && temp >= lower && !retSet.contains(temp)){
                    ret++;
                    retSet.add(temp);
                }
            }
        }
        return ret;
    }

    public int exhaust(){
        System.out.println(new Date(System.currentTimeMillis()));
        int ret = 0;
        for(int i = higher; i >= lower; i--){
            ret+=exhaust(i);
        }
        System.out.println(new Date(System.currentTimeMillis()));
        return ret;
    }

    public static void main(String[] args) {
        RecyleBin bin = new RecyleBin(1111, 2222);
        System.out.println(bin.exhaust());
    }
}
