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 CD;

import java.io.BufferedInputStream;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.DataInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.sql.SQLException;
import java.util.Hashtable;

public class RC{
	private int first;
	private int second;
	public RC(int i,int i_s){
		this.first=i;
		this.second=i_s;
	}
	public static  int dist(int mi,int mx){
		Hashtable numbers = new Hashtable();
		if (mx<10){
			return 0;
		}
		for(int i=mi;i<=mx;i++){
			String s=Integer.toString(i);
			for(int e=s.length()-1;e>0;e--){
				String new_s=s.substring(e, s.length())+s.substring(0, e);
				int i_s=Integer.parseInt(new_s);
				if (i_s<=mx && i_s!=i && i_s>=mi){
					String c=Integer.toString(i_s)+Integer.toString(i);
					String b=Integer.toString(i)+Integer.toString(i_s);
					if (!(has(numbers,c)) && !(has(numbers,b))){
						numbers.put(c, 0);
					}
				}
			}
		}
		return numbers.size();
	}
	public static  boolean has(Hashtable numbers,String c){
			if (numbers.get(c)==null){
				return false;
			}
			return true;
	}
	public static void main(String[] args) throws IOException{
		int a=dist(1111,3333);
		System.out.println(Integer.toString(a));
	}
}