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 codejam;

import java.io.*;
import java.util.HashSet;
public class Numb {
    public static void main(String[] args)throws IOException{
        HashSet<Integer> hs;
        BufferedReader cin=new BufferedReader(new FileReader("i3.in"));
        PrintWriter cout=new PrintWriter(new BufferedWriter(new FileWriter("out3.txt")));
        String[] in;
        int x,y,j,num,count;
        int t=Integer.parseInt(cin.readLine());
        for(int i=0;i<t;i++){
            count=0;
            in=cin.readLine().split(" ");
            x=Integer.parseInt(in[0]);
            y=Integer.parseInt(in[1]);
            if(y<10){ cout.println("Case #"+(i+1)+": 0");continue;}
            for(j=x;j<=y;j++){
                hs=new HashSet<Integer>();
                    String s=Integer.toString(j);
                    int l=s.length();
                    for(int k=l-1;k>0;k--){
                        if(s.charAt(k)=='0') continue;
                        num=Integer.parseInt(s.substring(k)+s.substring(0,k));
                        if(num>j && num<=y && !hs.contains(num)){
                            hs.add(num);
                            count++;
                        }
                    }
            }
            cout.println("Case #"+(i+1)+": "+count);
        }
        cout.flush();
    }
}
