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 com.vp.common;

import com.vp.fact.SolutionFactory;
import com.vp.iface.Problem;

public class ExecutorApp {
  
  /**
   * @param args
   */
  public static void main(String[] args) {
    // TODO Auto-generated method stub
    String inputFileName = "C:/Workspace/GCJ2012/src/com/vp/data/sample_input.txt";
    String outputFileName = "C:/Users/dhananitin/Desktop/sample_output.txt";
    //String outputFileName = "C:/Workspace/GCJ2012/src/com/vp/data/sample_output.txt";
    
    InputOutputProcessor inputOutputProcessor = new InputOutputProcessor();
    inputOutputProcessor.initializeInput(inputFileName);
    int numberOfCases = inputOutputProcessor.getNumberOfCases();
    
    String[] resultArray = new String[numberOfCases];
    inputOutputProcessor.setDoesInputHaveDataSetLines(false);
    //inputOutputProcessor.setIndexOfDataSetLine(0);
    inputOutputProcessor.setNumberOfDataSetLines(1);
    
    for (int i = 1; i <= numberOfCases; i++) {
      
      try {
        String[] dataSet = inputOutputProcessor.getDataSet();
        Problem problem = SolutionFactory.getInstance(Problem.RECYCLENUMBERS);
        resultArray[i-1] = "Case #"+i+": "+ problem.solve(dataSet);
      }
      
      catch (Exception exp) {
        exp.printStackTrace();
        inputOutputProcessor.closeScanner();
      }
      
    }
    
    inputOutputProcessor.closeScanner();
    inputOutputProcessor.writeOutput(outputFileName, resultArray);
  }
  
}




