import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.StringTokenizer;

class RecycledNumbers{
	
	
	
	int getcount(int small,int large){
		int count = 0;
		for(int currnum = small; currnum < large; currnum++){
			int permut = currnum;
			int no_of_digits = 0;
			while(permut > 0){
				permut = permut/10;
				no_of_digits++;
			}
			int lastDigit = currnum % 10;
			permut = currnum / 10;
			permut = permut + lastDigit * (int)Math.pow(10, no_of_digits-1);
			while(permut != currnum){
				
				if(permut >= currnum && permut <= large){
					
					count++;
				}
				lastDigit = permut % 10;
				permut = permut / 10;
				permut = permut + lastDigit * (int)Math.pow(10, no_of_digits-1);
				
			}
			
		}
		
		return count;
	}
	
	public static void main(String args[]){
		RecycledNumbers d = new RecycledNumbers();
		
		int no_of_cases = 0;
		String input = "";
		
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		try{
			no_of_cases = Integer.parseInt(br.readLine());
		}
		catch(Exception e){
			System.out.println("First line is not a number");
		}
		
		for(int i=1; i <= no_of_cases;i++){
			try{
				input = br.readLine();
			}
			catch(Exception e){
				System.out.println("Number of test cases different from the number mentioned in first line");
			}
			
			System.out.print("Case #" +i+": ");
			
			StringTokenizer t =  new StringTokenizer(input);
			int small=0,large=0;
			if(t.hasMoreTokens()){
				small = Integer.parseInt(t.nextToken());
			}
			if(t.hasMoreTokens()){
				large = Integer.parseInt(t.nextToken());
			}
			System.out.println(d.getcount(small,large));
			
		}
		
		
		

	}
	
	
}
package de.johanneslauber.codejam;

import java.io.IOException;

/**
 * 
 * @author Johannes Lauber - joh.lauber@googlemail.com
 * 
 */
public class Main {

	/**
	 * @author Johannes Lauber - joh.lauber@googlemail.com
	 * @param Args
	 */
	public static void main(String[] Args) {
		long millis = System.currentTimeMillis();

		// solveProblem("input/A-small-practice.in", "StoreCredit");
		// solveProblem("input/A-large-practice.in", "StoreCredit");
		// solveProblem("input/B-small-practice.in", "ReverseWords");
		// solveProblem("input/B-large-practice.in", "ReverseWords");
		// solveProblem("input/C-small-practice.in", "T9Spelling");
		// solveProblem("input/C-large-practice.in", "T9Spelling");
		// solveProblem("input/A-small-practice.in", "SpeakinginTongues");
		// solveProblem("input/B-large.in", "DancingGooglers");
		solveProblem("input/C-small-attempt.in", "RecycledNumbers");

		System.out.println(System.currentTimeMillis() - millis);
	}

	/**
	 * 
	 * @author Johannes Lauber - joh.lauber@googlemail.com
	 * @param fileName
	 * @param problemName
	 */
	private static void solveProblem(String fileName, String problemName) {
		CaseProvider caseProvider = new CaseProvider();
		try {
			try {
				caseProvider.importFile(
						fileName,
						Class.forName("de.johanneslauber.codejam.model.impl."
								+ problemName + "Case"));

				caseProvider.solveCases(Class
						.forName("de.johanneslauber.codejam.model.impl."
								+ problemName + "Problem"));
			} catch (ClassNotFoundException e) {
				System.out.println("Error finding implemented Case: "
						+ e.getMessage());
			} catch (InstantiationException e) {
				e.printStackTrace();
			} catch (IllegalAccessException e) {
				e.printStackTrace();
			}
		} catch (IOException e) {
			System.out.println("Error reading file: " + e.getMessage());
		}
	}
}