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 google.solver;

import google.loader.ChallengeLoader;
import google.loader.ChallengeReader;

import java.io.FileInputStream;
import java.util.Properties;

public class Solver implements ChallengeConstants{

	private ChallengeReader reader;
	private String inputFileName;
	private String result;
	private final String path;

	public Solver(String aPath) {
		this.path = aPath;
		init();
		solve();
		writeResult();
	}

	private void solve() {
		ChallengeLoader loader = new ChallengeLoader(reader);
		loader.load(inputFileName);
		result = loader.getResult();
	}

	private void init() {
		try{
			String propFileName = path+DELIMITER+CHALLENGE_DEFINITION;
			Properties properties = new Properties();
			properties.load(new FileInputStream(propFileName));
			inputFileName = path+DELIMITER+(String)properties.get("fileName");
			String readerClassName = (String)properties.get("readerClassName");
			reader = (ChallengeReader) Class.forName(readerClassName).newInstance();
		}
		catch(Exception e){
			throw new RuntimeException(e);
		}
	}

	public String getResult(){
		return result;
	}


	public void writeResult(){
		String result = getResult();
		write(result);
	}


	private void write(String text) {
		ProblemPackageCreator.write(getResultFileName(), text);
	}
	
	private String getResultFileName() {
		return inputFileName+".result";
	}

	public static void main(String[] args) {
		String problem = CHALLENGE_NAME;
		String path = BASE_DIR+DELIMITER+problem;
		Solver solver = new Solver(path);
		String result = solver.getResult();
		System.out.println(result);
	}
}
