package qual;

import java.util.Scanner;

public class RecycledNumbers {

	public static void main(String[] args) {
		new RecycledNumbers().run();

	}

	private void run() {
		Scanner sc = new Scanner(System.in);
		int T = sc.nextInt();
		for (int t = 0; t < T; t++) {
			int A = sc.nextInt();
			int B = sc.nextInt();
			int result = solve(A, B);
			System.out.printf("Case #%d: %d\n", t + 1, result);
		}
	}

	public int solve(int A, int B) {
		int result = 0;
		for (int i = A; i <= B; i++) {
			int dig = (int) Math.log10(A/*same as B*/) + 1;
			int aa = i;
			for (int d = 0; d < dig - 1; d++) {
				aa = (aa % 10) * (int)Math.pow(10, dig - 1) + (aa / 10);
				if (i == aa) {
					break;
				}
				if (i < aa && aa <= B) {
//					System.out.printf("(%d, %d) ", i, aa);
					result++;
				}
			}
		}
		return result;
	}

}

package com.cj.utils;

import java.io.*;
import java.util.*;

public class InputReader {
    //public ArrayList<String> inputs;
    public int cases;
    public Scanner scanner;
    public InputReader(){
        //inputs = new ArrayList<String>();
        cases = 0;
    }
    public Scanner loadInput(String fileName){
        try{
            File file = new File(fileName);
            scanner = new Scanner(file);
            cases = scanner.nextInt();
            //for(int count = 0; count < cases ; count++){}
            return scanner;
        }
        catch(Exception ex){ex.printStackTrace(); return null;}

    }
    
    public static void main(String[] args){
    	InputReader ir = new InputReader();
        Scanner input = ir.loadInput("test.txt");
        int cases = ir.cases;
        System.out.println(cases);
        System.out.println(input.nextInt()+"mm"+input.nextInt());
    }

}