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 qualification.recycled.numbers;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.URISyntaxException;
import java.util.HashSet;
import java.util.Scanner;
import java.util.Set;

public class RecycledNumbers {

	private static String PREFIX = "C-large";
	private static String INPUT_FILE = PREFIX + ".in";
	private static String OUTPUT_FILE = PREFIX + ".out";
	
	private static BufferedReader getInput() {
		return new BufferedReader(new InputStreamReader(RecycledNumbers.class.getResourceAsStream(INPUT_FILE)));
	}
	
	private static PrintWriter getOutput() throws URISyntaxException, FileNotFoundException {
		File inputFile = new File(RecycledNumbers.class.getResource(INPUT_FILE).toURI());
		File packageDirectory = inputFile.getParentFile();
		File outputFile = new File(packageDirectory, OUTPUT_FILE);
		return new PrintWriter(outputFile);
	}
	
	
	
	public static void main(String[] args) throws Throwable {
		BufferedReader br = getInput();
		PrintWriter pw = getOutput();
		
		int numTestCases = new Integer(br.readLine().trim());
		
		for (int testCase = 1; testCase <= numTestCases; testCase++) {
			
			String line = br.readLine();
			Scanner read = new Scanner(line);
			
			Set<RecycledPair> pairs = new HashSet<RecycledPair>();
			int a = read.nextInt();
			int b = read.nextInt();
			int digits = Integer.toString(a).length();
			int lastDigitMultiplier = 1;
			for (int i = 1; i < digits; i++) {
				lastDigitMultiplier = lastDigitMultiplier * 10;
			}
			
			for (int num = a; num <= b; num++) {
			
				int recycledNum = num;
				for (int recycles = 1; recycles < digits; recycles++) {
					
					int lastDigit = recycledNum % 10;
					recycledNum = recycledNum / 10;
					recycledNum = (lastDigit * lastDigitMultiplier) + recycledNum;
					
					if (a <= recycledNum && recycledNum <= b && num != recycledNum && num < recycledNum) {
						RecycledPair pair = new RecycledPair(num, recycledNum);
						if (!pairs.contains(pair)) {
							pairs.add(pair);
						}
					}
				}
				
			}
			
			pw.println("Case #" + testCase + ": " + pairs.size());
			
		}
		
		pw.close();
		br.close();
	}
	
	
}
