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.q3;

import qualification.common.InputReader;
import qualification.common.OutputWriter;
import qualification.q1.Q1Solver;

/**
 * Created by IntelliJ IDEA.
 * User: ofer
 * Date: 14/04/12
 * Time: 20:45
 * To change this template use File | Settings | File Templates.
 */
public class Q3Sim {

    public static void main(String[] args){
        String inputFile = "input.txt";
        String outPutFile = "output.txt";
        String[] lines = InputReader.getInputLines(inputFile);
        Q3Solver solver = new Q3Solver();
        int numOfTests = Integer.parseInt(lines[0]);
        String[] output = new String[numOfTests];
        for (int i = 0 ; i < numOfTests ; i++){
            String[] nums = lines[i+1].split(" ");
            int a = Integer.parseInt(nums[0]);
            int b = Integer.parseInt(nums[1]);
            int res = solver.solve(a,b);
            output[i] = "Case #" + (i+1) + ": " + res;
        }
        OutputWriter.writeOutput(outPutFile, output);
    }
}
