import java.util.Scanner;
import java.io.*;
import java.lang.Math;


public class C{
	public static int recycle(String str){
		String[] numbers = str.split(" ");
		int min = Integer.parseInt(numbers[0]);
		int max = Integer.parseInt(numbers[1]);
		int ret = 0;

		for(int i = min; i < max; i++){
			String num = i + "";
			int len = num.length();
			int k = i;
			for(int j = 1; j < len; j++){
				k = (k/10) + (int)java.lang.Math.pow(10.0,(double)(len-1))*(k%10);
				if (k > i && k <= max)
					ret++;
				else if(k == i)
					break;
			}
		}

		return ret;
	}

	public static void main(String[] args){
		Scanner sc = null;
		String next;
		int out;
		try{
			sc = new Scanner(new File("C-large.in"));
			int cases = Integer.parseInt(sc.nextLine());
			int current = 0;
			

			FileWriter fs = new FileWriter("output.txt");
			BufferedWriter buff = new BufferedWriter(fs);
			while(current < cases){
				next = sc.nextLine();
				current++;
				out = recycle(next);
				buff.write("Case #" + current + ": " + out + "\n");
			}
			buff.close();
		}
		catch(Exception ex){}
	}
}
package com.gdacarv.codejam;

import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.InputStreamReader;

public class ProblemC {

	public static void main(String [ ] args){
		try{
			FileInputStream fstream = new FileInputStream("input_problemC.in");
			DataInputStream in = new DataInputStream(fstream);
			BufferedReader br = new BufferedReader(new InputStreamReader(in));
			String input = new String();
			String line;
			while ((line = br.readLine()) != null)
				input += line + '\n';
			System.out.println(input);
			System.out.println(solveProblemC(input));
		}catch (Exception e){//Catch exception if any
			  System.err.println("Error: " + e.getMessage());
		}
		
	}


	private static String solveProblemC(String input) {
		String result = new String();
		String[] lines = input.split("\n"), numbers;
		int len = Integer.parseInt(lines[0]);
		int A, B, qt, current, aux, counterTemp = 0;
		String currentString;
		int[] temp = new int[10];
		for(int i = 1; i <= len; i++){
			result += "Case #" + i + ": ";
			numbers = lines[i].split(" ");
			A = Integer.parseInt(numbers[0]);
			B = Integer.parseInt(numbers[1]);
			qt = 0;
			for(current = A; current <= B; current++){
				currentString = String.valueOf(current);
				check: for(int j = 1; j < currentString.length(); j++){
					if(current < (aux = Integer.parseInt(currentString.substring(j) + currentString.substring(0, j))) && aux <= B){
						for(int l = 0; l < counterTemp; l++)
							if(temp[l] == aux)
								continue check;
						qt++;
						temp[counterTemp] = aux;
						counterTemp++;
						//System.out.println(current +","+aux);
					}
				}
				counterTemp = 0;
			}
			result += qt + "\n";
		}
		return result;
	}
}
