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.niall.codejam;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.HashSet;

public class ProbC {
	
	String english, goglish;
	
	public ProbC(){
	}
	
	public int solve(int a, int b){
		int count = 0;
		HashSet<Integer> set;
		for(int n = a; n<= b; n++){
			String x = n + "";
			set = new HashSet<Integer>();
			for(int j = 0; j < x.length() - 1; j++){
				x = push(x);
				int m = Integer.parseInt(x);
				if(n < m && m <=b ){
					set.add(m);
				}
			}
			count += set.size();
		}
		return count;
		
	}

	public String push(String x){
		return x.substring(1) + x.charAt(0);
	}

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		String infile = "probCin";
		String outfile = "probCans";
		try {
			BufferedReader br = new BufferedReader(new FileReader(new File(infile)));
			BufferedWriter bw = new BufferedWriter(new FileWriter(new File(outfile)));
			ProbC p1 = new ProbC();
			
			br.readLine();
			int i = 1;
			String s;
			while((s=br.readLine())!= null){
				String[] ss = s.split(" ");
				int a = Integer.parseInt(ss[0]);
				int b = Integer.parseInt(ss[1]);
				bw.write("Case #" + i + ": " + p1.solve(a,b));
				bw.newLine();
				i++;
			}
			bw.close();
			br.close();
		} catch (FileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}

}
