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 QR_2012;

import java.io.FileInputStream;
import java.io.IOException;
import java.util.HashSet;
import java.util.Scanner;
import java.util.Set;

import Utils.IOStreams;

public class C_Recycled_Numbers {

	public static void main(String[] args) throws IOException {

		IOStreams streams = new IOStreams(args[0]);
		System.setIn(new FileInputStream(args[0]));

		Scanner sc = new Scanner(System.in);
		sc.nextLine();

		int caseNum = 1;

		while (sc.hasNextInt()) {
			int lowerBoundInt = sc.nextInt();
			int upperBoundInt = sc.nextInt();

			int hits = 0;
			for (int num1 = lowerBoundInt; num1 <= upperBoundInt; num1++) {

				char[] num1Str = ("" + num1).toCharArray();
				int length = num1Str.length;
				Set<Integer> num2Duplicates = new HashSet<Integer>();

				for (int startingPoint = 0; startingPoint < length; startingPoint++) {

					int index = startingPoint;
					boolean init = true;
					StringBuffer num2Str = new StringBuffer();
					while (init || index % length != startingPoint) {
						init = false;
						num2Str.append(num1Str[index % length]);
						index++;
					}

					Integer num2 = new Integer(num2Str.toString());

					if (num1 < num2 && num2 <= upperBoundInt && !num2Duplicates.contains(num2)) {
						hits++;
						num2Duplicates.add(num2);
					}
				}
			}
			streams.printLine("Case #" + (caseNum++) + ": " + hits + "\n");
		}
		
		streams.closeStreams();

	}

}
