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 midnighter.googlejam.y2012;

import java.io.FileReader;
import java.io.FileWriter;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

public class QualificationC
{
	static final String inFileName = "inputs/C-small-attempt0.in";
	static final String outFileName = "outputs/C-small.out";
	

    Scanner in;
    PrintWriter out;
   
    public int oneCase()
    {
    	int A = in.nextInt();
    	int B = in.nextInt();
    	int res = 0;
    	for (int i = A; i <= B; i++)
    	{
    		int d = 1, c = i;
    		while ((c /= 10) > 0)
    			d++;
    		int v = i;
    		for (int k = 0; k < d - 1; k++)
    		{
    			int nw = v % 10;
    			for (int j = 0; j < d - 1; j++)
    				nw *= 10;
    			v = v / 10 + nw;
    			if (v == i)
    				break;
    			if (nw != 0 && v <= B && v > i)
    				res++;
    		}
    	}
    		
    	return res;
    }
   
    public void run() throws Exception
    {
        in = new Scanner(new FileReader(inFileName));
        out = new PrintWriter(new FileWriter(outFileName));
       
        int nCases = in.nextInt();
        in.nextLine();
        for (int c = 1; c <= nCases; c++)
            out.println("Case #" + c + ": " + oneCase());
       
        out.flush();
        out.close();
        in.close();
    }
   
    public static void main(String[] args) throws Exception
    {
        new QualificationC().run();
    }
}
