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 google.jam;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.TreeSet;

public class RecycledNumbers {
	
	public static void main (String[] args){
		System.out.println("Please, type your input:");
		BufferedReader stdIn = new BufferedReader(new InputStreamReader(System.in));
		boolean checkLines = false;
		int numLines = 0, linesCounter = 0;
		String line;
		String output = "";
		try {
			while((line = stdIn.readLine()) != null){
				if(!checkLines){
					numLines = Integer.parseInt(line);
					checkLines = true;
				}else{
					linesCounter++;
					output += inputToOutput(line, String.valueOf(linesCounter));
				}
				if(linesCounter >= numLines)
					break;
			}	
			System.out.println(output);
		} catch (IOException e) {
			System.out.println("Something went wrong with your input.");
			e.printStackTrace();
		}
	}
	
	public static String inputToOutput(String input, String lineNum){
		TreeSet<String> set = new TreeSet<String>();
		String[] numbers = input.split(" ");
		
		if(numbers.length != 2)
			return "Case #" + lineNum + ": 0\n";
		
		int start = Integer.parseInt(numbers[0]);
		int end = Integer.parseInt(numbers[1]);
		if(start >= end)
			return "Case #" + lineNum + ": 0\n";
		
		int cur = start;
		while(cur <= end){
			for(int i=String.valueOf(cur).length()-1; i>0; i--){
				String number = String.valueOf(cur);
				if(number.charAt(i) == '0')
					continue;
				String newNum = number.substring(i) + number.substring(0, i);
				int newInt = Integer.parseInt(newNum);
				if( newInt > end || newInt < start || newNum.equals(number) )
					continue;
				set.add( (number.compareTo(newNum) < 0)?(newNum+number):(number+newNum) );
			}
			cur++;
		}
		
		return "Case #" + lineNum + ": " + set.size() + "\n";
	}

}
