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.dten.cj.qual;

import java.io.File;
import java.io.IOException;

import org.apache.commons.io.FileUtils;


public class C {

	public static int distinctPairs(int start, int end) {
		int count = 0;
		for (int i = start; i <= end; i++)
			for (int j = start; j <= end; j++)
				if (i < j && isPair(i, j))
						count++;
		return count;
	}

	public static boolean isPair(int i, int j) {
		String iStr = String.valueOf(i);
		String jStr = String.valueOf(j);
		if (iStr.length() == 1 || jStr.length() != iStr.length())
			return false;
		int characters = iStr.length();
		while (characters-- > 0)
			if ((iStr = iStr.substring(1) + iStr.charAt(0)).equals(jStr))
				return true;
		return false;
	}
	
	public static String processLine(String line){
		String[] split = line.split(" ");
		return String.valueOf(distinctPairs(Integer.parseInt(split[0]),
				Integer.parseInt(split[1])));
	}

	public static String processFile(String fileName) {
		StringBuilder sb = new StringBuilder();
		int caseCount = 0;
		try {
			for (String line : FileUtils.readLines(new File(fileName)))
				if (caseCount > 0)
					sb.append("Case #").append(caseCount++).append(": ")
							.append(processLine(line)).append("\r\n");
				else if (caseCount++ == 0)
					continue;
		} catch (IOException e) {
			e.printStackTrace();
		}

		return sb.toString().trim();
		
	}

	public static void main(String[] args) {
		String fileName = "C-small-attempt0";

		try {
			FileUtils.write(new File("outputs/qual/" + fileName + ".out"),
					C.processFile("inputs/qual/" + fileName + ".in"));
		} catch (IOException e) {
			e.printStackTrace();
		}

	}
}
