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 com.google.codejam;

import java.util.ArrayList;

public class RecycledNumber {
	private static ArrayList<String> getRandomCombinations(String number) {
		ArrayList<String> combinations = new ArrayList<String>();
		String temp = null;
		for (int i = 1; i < number.length(); i++) {
			temp = String.valueOf(number.charAt(i));
			if (temp.equals("0")) {
				continue;
			}
			temp = temp + number.substring(i+1, number.length()) + number.substring(0, i);
			combinations.add(temp);
		}
		return (combinations);
	}
	
	private static boolean checkAllCharactersSame(String s) {
		char charToCheck = s.charAt(0);
		boolean oneCharactersSame = true;
		for (int i=1; i < s.length(); i++) {
			if (charToCheck != s.charAt(i)) {
				oneCharactersSame = false;
				break;
			}
		}
		
		return (oneCharactersSame);
	}
	
	public static long countRandomNumbers(long A, long B) {
		long randomNumberCount = 0;
		ArrayList<String> combinations = null;
		ArrayList<String> mnMap = new ArrayList<String>();
		String temp = null, reverseTemp = null;
		for (long i = A; i <= B; i++) {
			if (checkAllCharactersSame(String.valueOf(i))) {
				continue;
			}
			combinations = getRandomCombinations(String.valueOf(i));
			if (combinations.size() == 0) {
				continue;
			}
			for (String number: combinations) {
				if ((Long.parseLong(number) >= A) && (Long.parseLong(number) <= B)) {
					temp = String.valueOf(i)+"-"+number;
					reverseTemp = number+"-"+String.valueOf(i);
					if ((! number.equals(String.valueOf(i))) && (! mnMap.contains(temp)) && (! mnMap.contains(reverseTemp))) {
						mnMap.add(temp);
						randomNumberCount++;
					}
				}
			}
		}
		
		return (randomNumberCount);
	}
	
	public static void main(String[] args) {
		ArrayList<String> testCases = ContentReader.getContents("RecycledNumber.txt");
		long A, B;
		for (int i = 1; i <= Integer.valueOf(testCases.get(0)); i++) {
			A = Integer.valueOf(testCases.get(i).split(" ")[0]);
			B = Integer.valueOf(testCases.get(i).split(" ")[1]);
			System.out.println("Case #"+i+": "+countRandomNumbers(A, B));
		}		
	}
}