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 recycled;

import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

public class Recycle {
	public static void main(String[] args)throws IOException {
		BufferedWriter saida = new BufferedWriter(new FileWriter("saida.out"));
		File file = new File("C-large.in");
		Scanner scan = new Scanner(file);
		int casos;
		String a;
		String b;
		String linha;
		String[] divisao;
		String novo;
		ArrayList<String> list = new ArrayList<String>();
		int tamanhoN;
		casos = Integer.parseInt(scan.nextLine());
		String n;
		String m;
		for (int  i =1; i <= casos;i++){
			saida.write("Case #" + i + ": ");
			int pares = 0;
			linha = scan.nextLine();
			divisao = linha.split("\\s+");

			a = divisao[0];
			b = divisao[1];

			n = a;
			do{
				m = n;
				tamanhoN = n.length();
				for(int j = 0; j < tamanhoN;j++){
					m = desloca(m);
					novo = ("(" + n + "," + m + ") ");
					if(!(list.contains(novo))){
						if(Long.parseLong(a) <= Long.parseLong(n) && Long.parseLong(n) < Long.parseLong(m) && Long.parseLong(m) <= Long.parseLong(b)){
							pares++;
						}
					}
				}
				n = String.valueOf(Long.parseLong(n) + 1);
			}while(Long.parseLong(n) < Long.parseLong(b));
			System.out.println(pares);
			saida.write(pares + "");
			saida.newLine();
		}
		
		if (saida != null){
			saida.flush();
			saida.close();
		}

	}
	
	public static String desloca(String n){
		StringBuffer temp = new StringBuffer(n);
		char primeiro = n.charAt(0);
		for (int j=1; j < temp.length(); j++)
		{
			char c = n.charAt(j);
			temp.setCharAt(j-1, c);
		}
		temp.setCharAt(n.length()-1, primeiro);
		
		n = temp.toString();
		return n;
	}
	
}
