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 googlejam;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.PrintWriter;
import java.util.HashSet;
import java.util.Scanner;
import java.util.Set;

public class RecycledNumbers {

	public static void main(String[] args) throws FileNotFoundException {
		Scanner sc = new Scanner(new File("inputC.txt"));
		PrintWriter pw = new PrintWriter("outputC.txt");
		int T = sc.nextInt();
		for (int t = 1; t <= T; t++) {
			int count = count(sc.nextInt(), sc.nextInt());
			pw.println("Case #" + t + ": " + count);
		}
		pw.flush();
		pw.close();
	}

	public static int count(int A, int B) {
		int res = 0;
		Set<Integer> a = new HashSet<Integer>();
		for (int i = A; i < B; ++i) {
			a.clear();
			String n = Integer.toString(i);
			for (int start = 1; start < n.length(); ++start) {
				if (n.charAt(start) == '0') {
					continue;
				}
				int m = 0;
				for (int d = 0; d < n.length(); ++d) {
					m *= 10;
					m += n.charAt((start + d) % n.length()) - '0';
				}
				if (m > i && m <= B && !a.contains(m)) {
					a.add(m);
					++res;
				}
			}
		}
		return res;
	}
}
