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 recyclednumbers;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;

public class RecycledNumbers {

	
	public static void main(String[] args) throws IOException {
		BufferedReader br=new BufferedReader(new FileReader(new File("./recyclednumbers/c-small-attempt0.in")));
		BufferedWriter bw=new BufferedWriter(new FileWriter(new File("./recyclednumbers/small.out")));
		
		int numberOfCase=Integer.parseInt(br.readLine());
		
		StringBuilder out=new StringBuilder();
		
		for(int i=1;i<=numberOfCase;i++){
			out.append("Case #"+i+": ");
			int count=0;
			String input=br.readLine();
			int start=Integer.parseInt(input.substring(0,input.indexOf(" ")));
			int end=Integer.parseInt(input.substring(input.indexOf(" ")+1));
			
			for(int j=start;j<=end;j++){
				ArrayList<Integer>list=new ArrayList<Integer>();
				
				int n=10;
				while(j>=n){
					int last=j%n;
					int first=j/n;
					
					int recycle=last*(int)Math.pow(10, String.valueOf(first).length())+first;
					
					if(recycle>j && recycle<=end){
						if(!list.contains(recycle)){
							count++;
							list.add(recycle);
						}
					}
					
					n*=10;
				}
				
				
				
			}				
				
			
			
			out.append(count);
			if(i<numberOfCase)
				out.append("\n");
		}
		
		bw.write(out.toString());
		bw.close();
		br.close();

	}

	
	
}
