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.renoux.gael.codejam.fwk;

import java.io.File;

import com.renoux.gael.codejam.utils.FluxUtils;
import com.renoux.gael.codejam.utils.Input;
import com.renoux.gael.codejam.utils.Output;
import com.renoux.gael.codejam.utils.Timer;

public abstract class Solver {

	public void run() {
		Timer.start();
		if (!disableSample())
			runOnce(getSampleInput(), getSampleOutput());
		System.out.println(Timer.check());

		Timer.start();
		if (!disableSmall())
			runOnce(getSmallInput(), getSmallOutput());
		System.out.println(Timer.check());

		Timer.start();
		if (!disableLarge())
			runOnce(getLargeInput(), getLargeOutput());
		System.out.println(Timer.check());

	}

	public void runOnce(String pathIn, String pathOut) {
		Input in = null;
		Output out = null;
		try {

			in = Input.open(getFile(pathIn));
			out = Output.open(getFile(pathOut));

			int countCases = Integer.parseInt(in.readLine());
			for (int k = 1; k <= countCases; k++) {
				out.write("Case #", k, ": ");
				solveCase(in, out);
			}
		} catch (RuntimeException e) {
			e.printStackTrace();
		} finally {
			FluxUtils.closeCloseables(in, out);
		}
	}

	private File getFile(String path) {
		return new File(path);
	}

	protected abstract void solveCase(Input in, Output out);

	private String getFullPath(boolean input, String type) {
		if (input)
			return "D:\\Downloads\\CodeJam\\" + getProblemName() + "\\"
					+ getProblemName() + "_input_" + type + ".txt";
		else
			return "D:\\Downloads\\CodeJam\\" + getProblemName() + "\\"
					+ getProblemName() + "_output_" + type + ".txt";
	}

	protected String getSampleInput() {
		return getFullPath(true, "sample");
	}

	protected String getSmallInput() {
		return getFullPath(true, "small");
	}

	protected String getLargeInput() {
		return getFullPath(true, "large");
	}

	protected String getSampleOutput() {
		return getFullPath(false, "sample");
	}

	protected String getSmallOutput() {
		return getFullPath(false, "small");
	}

	protected String getLargeOutput() {
		return getFullPath(false, "large");
	}

	protected boolean disableSample() {
		return disable()[0];
	}

	protected boolean disableSmall() {
		return disable()[1];
	}

	protected boolean disableLarge() {
		return disable()[2];
	}

	protected boolean[] disable() {
		return new boolean[] { false, false, false };
	}

	protected abstract String getProblemName();
}
